Blueberry Muffins

1 1/2 Cups flour
3/4 Cup sugar
1/2 tsp salt
2 tsp baking powder
1/2 Cup vegetable oil
1 Egg
1/3 Cup Milk
1 Cup fresh blueberries

— Topping —
1/2 Cup sugar
1/2 Cup flour
1/4 Cup butter – cubed
2 tsp cinnamon

combine: flour, sugar, salt, baking powder
combine: eggs, oil, milk to 1 cup measure
mix with dry mixture, then fold in blueberries

bake 20-25 minutes @380-400 degrees