The combination of blueberry and lemon is so refreshing and flavorful add a tangy burst to your muffins by adding a few drops of lemon extract or a bit of lemon zest how to make blueberry muffins with sour cream first step preheat the oven to 425 deg f line a 12 cup muffin pan with cupcake liners or spray with non stick cooking spray.

Sour cream this will add tons of moisture to your muffins if you can rsquo t find it you can sub in yogurt or buttermilk lemons i think blueberries and lemons go hand in hand but if you rsquo re anti lemon just use more milk and skip the zest how to make blueberry muffins.

Instructions preheat oven to 400f degrees and line standard muffin pan with paper liners and set aside to make the crumb topping in a small bowl whisk together flour sugar and cinnamon add melted butter and stir with a fork until crumbly and set aside.

Sour cream not only does sour cream give it a nice tang but it also has acid that helps react with the baking soda sugar i use granulated sugar in both the crumble and the muffins all purpose flour this recipe was written using ap flour be sure to measure it correctly.