Name: Blueberry-Sour Cream Muffins
Ingredients: 1/2 cup light brown sugar; 1/3 cup all-purpose flour; 2 tablespoons unsalted butter (softened); 1 teaspoon cinnamon; 1 1/2 cups plus 1 tablespoon all-purpose flour; 2 teaspoons baking powder; 1/4 teaspoon baking soda; 1/2 teaspoon salt; 1 large egg; 3/4 cup sugar; 1 tablespoon unsalted butter (melted); 1 rounded cup sour cream; 1 teaspoon pure vanilla extract; 3/4 teaspoon finely grated lemon zest; 1 rounded cup frozen blueberries

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Blueberry-Sour Cream Muffins

Course: Breakfast, Dessert

Servings:

Author: Food & Wine, December 2009

Ingredients

TOPPING

1/2 cup light brown sugar
1/3 cup all-purpose flour
2 tablespoons unsalted butter softened
1 teaspoon cinnamon

MUFFINS

1 1/2 cups plus 1 tablespoon all-purpose flour
2 teaspoons baking powder
1/4 teaspoon baking soda
1/2 teaspoon salt
1 large egg
3/4 cup sugar
1 tablespoon unsalted butter melted
1 rounded cup sour cream
1 teaspoon pure vanilla extract
3/4 teaspoon finely grated lemon zest
1 rounded cup frozen blueberries

Instructions

Preheat the oven to 375.
In a medium bowl, combine the brown sugar, flour, butter and cinnamon. Rub with your fingers to form coarse crumbs. Refrigerate until ready to use.
Butter a 12-cup muffin pan. In a medium bowl, whisk the 1 1/2 cups of flour with the baking powder, baking soda and salt. In a large bowl, using a handheld mixer, beat the egg at medium speed until frothy. Add the sugar and melted butter and beat until pale yellow, 1 minute. Beat in the sour cream, vanilla and lemon zest until blended. Add the dry ingredients and beat at low speed until almost blended. In a bowl, toss the blueberries with the remaining 1 tablespoon of flour. Using a rubber spatula, fold the blueberries into the batter.
Fill the muffin cups three-fourths full of batter and sprinkle with the topping. Bake for 25 minutes, or until a cake tester inserted in the center of a muffin comes out clean. Remove the muffins from the pan and let cool on a rack.
MAKE AHEAD The muffins can be stored in an airtight container for up to 3 days.