Jamie Oliver Vegetable Crumble, a Golden Baked Dish for Cozy Dinners

Jamie Oliver Vegetable Crumble

This Jamie Oliver Vegetable Crumble is a warm, golden topped dish that pairs caramelized vegetables with a buttery, cheesy topping.

It is hearty enough for a cozy weeknight dinner and polished enough to share with friends, and it works because the vegetables develop real depth as they brown. The filling is creamy, the base stays crisp, and the top bakes up golden and bubbling.

Think of it in three simple layers. First comes a baked crumble base made from crackers, panko, Parmesan and butter. Next comes a creamy vegetable mixture built around Brussels sprouts, carrots and mushrooms. Last comes Gruyere and the remaining crumble topping, baked until crisp and golden.

The recipe is inspired by Jamie Oliver, and you can find the original Jamie Oliver vegetable crumble recipe for reference. It serves 6 people, with a preparation time of 25 minutes and a cooking time of 35 minutes. Keep the two ingredient groups separate, since thyme, salt and pepper appear in more than one place.

Ingredients Needed

Gather everything before you start, and keep the crumble mixture and the vegetable mixture in separate bowls. That small habit makes assembly quick. The lists below follow the canonical recipe exactly, so measure as written.

For the Crumble Crust and Topping:

This mixture does double duty. Just under half becomes the base, pressed into the dish and baked until lightly golden. The rest stays in reserve for the final topping.

• 1 cup crushed buttery crackers (such as Ritz or similar)
• 1 cup panko bread crumbs
• 1/2 cup finely grated Parmesan cheese
• 1/2 teaspoon fresh cracked black pepper
• 1 teaspoon fresh thyme leaves, roughly chopped
• 8 tablespoons (1 stick) unsalted butter, melted and cooled

For the Vegetable Mixture:

This is the heart of the dish, a savory mix of vegetables in a creamy sauce. The vegetables need time to caramelize, so give them space in the pan and stir only occasionally while they brown. Season as you go, rather than waiting until the end.

• 2 tablespoons olive oil
• 1/2 cup diced yellow onion
• 1 clove garlic, thinly sliced
• 2 cups Brussels sprouts, trimmed and quartered
• 3 medium carrots, peeled and sliced into 1/4 inch thick rounds
• 2 cups cremini mushrooms, trimmed and quartered
• 1 teaspoon fresh thyme, roughly chopped
• Salt, to taste
• Pepper, to taste
• 2 tablespoons all purpose flour
• 1 cup chicken or vegetable broth
• 1/3 cup heavy cream
• 1/2 cup finely shredded Gruyere cheese

How To Make Jamie Oliver Vegetable Crumble

Start by preheating your oven to 350 degrees Fahrenheit, which is 175 degrees Celsius, with the rack in the center. Lightly butter a deep 9 inch pie dish and set it aside.

Next, make the crumble base. In a medium bowl, mix together the crushed crackers, panko, Parmesan, black pepper, thyme and melted butter. Give it a good stir until the mixture is well coated.

Spoon just under half of this mix into the bottom of the buttered dish, pressing it gently up the sides. Bake for 12 minutes until lightly golden, then set aside to cool. Baking the base first is the key to keeping the bottom crisp.

Now cook the vegetables. Heat olive oil in a large skillet over medium heat. Add the onion and saute for about 5 minutes until soft and golden.

Stir in the garlic and cook for another minute. Then raise the heat to medium high and add the Brussels sprouts, carrots, mushrooms and thyme. Cook for 15 to 20 minutes, stirring occasionally, until everything is nicely caramelized.

Season as you go with salt and pepper, in layers, rather than only at the end. That layer by layer seasoning builds flavor and brings out their natural sweetness.

To make the sauce, reduce the heat to medium and sprinkle the flour over the vegetables. Stir it in well so you do not see any raw flour left. Slowly pour in the broth while stirring to deglaze the pan.

Let it simmer until the sauce thickens up, then finish with a swirl of heavy cream off the heat. Give the sauce a good stir until it coats a spoon. It should be neither too runny nor too thick.

Taste and tweak your seasoning if needed, since this is the last easy moment to adjust salt and pepper before assembly. Pour the creamy vegetable mixture over the baked crust. Scatter Gruyere cheese over the top, then finish with the rest of your crumble topping.

Bake for 12 to 15 minutes until golden and bubbling. Watch the top near the end, because it can go from golden to dark quickly.

Let the crumble sit for about 15 minutes before slicing. This helps the layers settle and makes serving a breeze, with cleaner slices and a better texture. Serve it warm, straight from the pie dish, as a hearty main dish for dinner.

For a simple nutrition guide, one serving provides 350 calories, 45 grams of carbohydrates, 10 grams of protein, 15 grams of fat, 8 grams of sugar, 5 grams of fiber and 500 milligrams of sodium. A creamy vegetable soup can also work as a starter on a cold evening, while this crumble stays the star of the table.

Why I Love This Recipe

The source presents this dish as clever comfort food that is simple enough for a weeknight meal yet polished enough to offer guests. Here, the method stays straightforward, the ingredients stay familiar, and the result still looks and tastes special.

The original notes say a partner who usually does not enjoy Brussels sprouts asked for a second helping, which shows how much caramelizing and a creamy, cheesy finish can change a vegetable that some people avoid. The sweetness from browning, the richness from cream and Gruyere, and the crunch from the topping work together, so no single vegetable dominates.

Recipe Tips

Keep these tips in mind and the dish will come together with less stress and a better finish.

• Bake the base first so the bottom stays crisp, and let it cool before you add the filling.
• Do not crowd the pan when you cook the vegetables, or they will steam instead of caramelizing.
• Brown the sprouts cut side down at first when you can, so they pick up color and sweetness.
• Season in layers with salt and pepper during cooking, then taste and tweak before assembly.
• Stir the flour in fully before you add broth, so no raw flour remains in the sauce.
• Add the broth slowly while stirring, so the sauce thickens smoothly without lumps.
• Finish with cream off the heat, and check that the sauce coats a spoon before you assemble.
• For an extra crisp topping, place the dish under the broiler for a couple of minutes and watch it closely.
• Let it sit for about 15 minutes before slicing, so the layers settle and the slices hold their shape.

How To Store This Jamie Oliver Vegetable Crumble

Good storage keeps leftovers safe and tasty, and this dish reheats well if you protect the topping. At room temperature, leave the crumble uncovered for up to 2 hours before storing it.

In the refrigerator, store it in an airtight container for up to 3 days. In the freezer, store it in a tightly sealed container for up to 2 months, and thaw it overnight in the refrigerator before reheating.

• Oven reheating: heat at 350 degrees Fahrenheit for 15 to 20 minutes, covered with foil, to warm through without drying out.
• Microwave reheating: heat for 2 to 3 minutes on high per serving, stirring halfway through, for a quick lunch.
• Stovetop reheating: warm over medium heat with a splash of broth to keep it moist, stirring gently.

For the best texture on reheating, use the oven method when you have time, because it helps the topping crisp up again. If you love cozy vegetable dishes, a creamy brussels sprouts side can pair well with leftovers, though this crumble is filling enough on its own.

Let’s Answer a Few Questions!

Can you use frozen vegetables in this crumble? Yes, frozen vegetables can be used if they are thawed and drained first, which prevents a watery result. Fresh vegetables will caramelize more deeply, but thawed and drained frozen vegetables are a practical backup.

What cheese works instead of Gruyere? If Gruyere is unavailable, Swiss, cheddar or mozzarella can be used instead. Swiss stays closest in flavor, cheddar adds sharpness and mozzarella adds mild stretch, so choose based on what you have.

Can you make this crumble ahead of time? Yes, make it ahead by assembling it without baking, refrigerating it overnight, and baking it fresh later. That plan is ideal for guests, because most of the work is done in advance.

What vegetables work best in a savory crumble? Brussels sprouts, carrots and mushrooms work best here, because they hold their shape, caramelize well and pair with a creamy sauce. They also bring different textures, with tender carrots, meaty mushrooms and sprouts that turn sweet as they brown.

How do you keep the topping crisp? Bake the base first, avoid a runny sauce, and do not cover the topping so long that it softens. For extra crispness, place the dish under the broiler for a couple of minutes while watching it closely, then let it sit before slicing.

How do you make Jamie Oliver vegetable crumble, in short? Preheat the oven, bake a crumble base, caramelize the vegetables, stir in flour, broth and cream, assemble with Gruyere and topping, bake until golden and bubbling, and rest before slicing.

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Jamie Oliver Vegetable Crumble

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Jamie Oliver Vegetable Crumble This Jamie Oliver Vegetable Crumble is a warm, golden topped dish that pairs caramelized vegetables with a buttery, cheesy topping. It is hearty enough for a cozy weeknight dinner and polished enough to share with friends, and it works because the vegetables develop real depth as they brown.

• Total Time: 60 min
• Yield: 6 servings 1x

Ingredients

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For the Crumble Crust and Topping
1 cup buttery crackers, crushed
1 cup panko bread crumbs
1/2 cup Parmesan cheese, finely grated
1/2 teaspoon black pepper, fresh cracked
1 teaspoon fresh thyme leaves, roughly chopped
8 tablespoons unsalted butter, melted and cooled

For the Vegetable Mixture
2 tablespoons olive oil
1/2 cup yellow onion, diced
1 clove garlic, thinly sliced
2 cups Brussels sprouts, trimmed and quartered
3 carrots, medium, peeled and sliced into 1/4-inch thick rounds
2 cups cremini mushrooms, trimmed and quartered
1 teaspoon fresh thyme, roughly chopped
Salt, to taste
Pepper, to taste
2 tablespoons all-purpose flour
1 cup chicken or vegetable broth
1/3 cup heavy cream
1/2 cup Gruyere cheese, finely shredded

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Instructions

How To Make Jamie Oliver Vegetable Crumble
1-Preheat your oven to 350°F (175°C) and: Preheat your oven to 350°F (175°C) and place the rack in the center. Lightly butter a deep 9-inch pie dish and set it aside.
2-In a medium bowl, mix together the: In a medium bowl, mix together the crushed crackers, panko, Parmesan, black pepper, thyme, and melted butter until well coated. Spoon just under half of this mix into the bottom of the buttered dish, pressing it gently up the sides. Bake for 12 minutes until lightly golden, then set aside to cool.
3-Heat olive oil in a large skillet: Heat olive oil in a large skillet over medium heat. Add the onion and sauté for about 5 minutes until soft and golden. Stir in the garlic and cook for another minute. Now, crank up the heat to medium-high and toss in the Brussels sprouts, carrots, mushrooms, and thyme. Cook for 15-20 minutes, stirring occasionally, until everything is nicely caramelized. Season as you go with salt and pepper.
4-Reduce the heat to medium and sprinkle: Reduce the heat to medium and sprinkle the flour over the veggies. Stir it in well so you don’t see any raw flour left. Slowly pour in the broth while stirring to deglaze the pan. Let it simmer until the sauce thickens up, then finish with a swirl of heavy cream off the heat.
5-Taste and tweak your seasoning if needed: Taste and tweak your seasoning if needed. Pour the creamy vegetable mixture over the baked crust. Scatter Gruyere cheese over the top, then finish with the rest of your crumble topping. Bake for 12-15 minutes until golden and bubbling.
6-Let the crumble rest for about 15: Let the crumble rest for about 15 minutes before slicing. This helps the layers settle and makes serving a breeze.

Last Step:

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• Author: Brandi Oshea
• Prep Time: 25 min
• Cook Time: 35 min
• Method: mixed

Nutrition

• Calories: 350
• Sugar: 8g
• Sodium: 500mg
• Fat: 15g
• Carbohydrates: 45g
• Fiber: 5g
• Protein: 10g