1-First Step: Begin with preparation by preheating your oven to 375°F and lining a muffin tin with 12 papers; gather and measure 2 cups flour, 1 cup diced peaches, 1/2 cup sugar, and other ingredients, taking about 5 minutes this sets up for easy mixing and allows for swaps like flax eggs for vegan preferences.

2-Second Step: In a large bowl, whisk together 2 cups flour, 1 teaspoon baking powder, and 1/2 teaspoon cinnamon for 1 minute to evenly distribute leavening agents; for gluten-free options, use a certified blend here to ensure the batter holds together well.

3-Third Step: In another bowl, mix 1/2 cup melted butter, 1/2 cup sugar, 2 eggs, and 1/2 cup milk until smooth, about 2 minutes, then fold in 1 cup diced peaches for added moisture adapt by using plant-based milk and butter for vegan versions, keeping the mixture light and airy.

4-Fourth Step: Combine the wet and dry mixtures, stirring gently for 1-2 minutes until just blended to avoid overmixing, which helps maintain fluffiness; for low-calorie adjustments, incorporate applesauce to reduce fats while preserving the moist peach muffin texture.

5-Final Step: Spoon the batter into the muffin tin, filling each cup about 3/4 full, and bake at 375°F for 20-25 minutes until golden and a toothpick comes out clean; cool for 5 minutes in the bin, then transfer to a rack serve warm with a light glaze or butter, adapting servings for dietary needs like gluten-free, making these muffins a versatile baked peach option for any meal. (Word count: 652)