The BEST Blueberry Muffins

Batter
1 1/2 c. flour
3/4 c. white sugar
1/2 tsp. salt
2 tsp. baking powder
1/3 c. oil or melted butter
1 egg
milk
1 c. blueberries, frozen (slightly thawed), or fresh

Add flour, sugar, salt and baking powder in a large bowl. In a one cup measuring cup combine oil and egg. Add enough milk to make one cup. Mix this with flour mixture, and add blueberries. Pour into greased muffin tins and add crumbly topping. Bake in a 400 degree oven for 20-25 min.

Crumbly Topping
1/2 c. white sugar (or brown sugar)
1/3 c. flour
1/4 c. margarine, chopped
1 1/2 tsp. cinnamon

Sprinkle this mixture on muffins before baking.