BLUEBERRY MUFFINS with STREUSEL CRUMB TOPPING

These blueberry muffins with streusel crumb topping is another great breakfast idea.
Moist and fluffy muffin, tart blueberries finished off with some sweet, buttery crumb topping.

INGREDIENTS:

STREUSEL
1/3 cup sugar
1/2 cup all purpose flour
1/2 tsp. cinnamon
1/4 tsp. salt
1/8 cup melted butter

MUFFIN BATTER
1/2 cup sugar
1/4 cup vegetable oil
1 egg
1 tsp. vanilla extract
1/2 cup sour cream
1 cup all purpose flour
1 1/2 tsp. baking powder
1/4 tsp. salt
1 cup blueberries ( fresh/ frozen)
*save some for the topping

Yield:
9 regular sized muffins