BLUEBERRY MUFFINS

so yummy!!! :))

2 cups flour
1 tbsp. baking powder
1/2 tsp. salt1 large egg
1 cup sugar
4 tbsp. unsalted butter, melted and cooled
1 1/4 cup sour cream
1 1/2 cups frozen blueberries, preferably wild

Topping:
1/4 cup sugar
1 tsp. cinnamon

Preheat oven to 350 degrees.
Spray 12-cup muffin tin with vegetable oil spray.
Whisk flour, baking powder and salt in medium bowl until combined.
Whisk egg in second medium bowl until well-combined and light-colored, about 20 seconds.
Add sugar and whisk vigorously until thick and homogeneous, about 30 seconds.
Add melted butter in 2 or 3 steps, whisking to combine after each addition.

Add sour cream in 2 steps, whisking until just combined.
Add blueberries to dry ingredients and gently toss to combine.
Add dry ingredients to sour cream mixture and carefully fold with rubber spatula until batter comes together and berries are evenly distributed, 25-30 seconds (small spots of flour will remain and batter will be thick).
Do not overmix.
Divide batter evenly between muffin cups.
Sprinkle cinnamon/sugar mixture over the top of each muffin (optional).
Bake until muffins are golden brown and toothpick inserted in center of muffin comes out with few crumbs attached, about 25-30 minutes, rotating tin halfway through baking.
Invert muffins onto wire rack, stand muffins upright and let cool for 5 minutes. Serve.
Yield: 12 muffins.