Blueberry Muffins

Blueberry Muffins
1 1/2 cups flour
3/4 cups white sugar
1/2 tsp salt
2 tsp baking powder
1/3 cup oil
1 egg
1/3 cup milk
1 cup fresh blueberries
1/2 cup sugar
1/3 cup flour
1/4 cup butter, cubed
1 1/2 tsp ground cinnamon
Preheat oven to 400.
Grease muffin times for line with Muffin liners
Combine 1 1/2 cups flour, 3/4 cup sugar, salt, and baking powder. Please oil into small bowl add the egg and milk. Mix with flour mixture. Fold in blueberries. Fill muffin tines right to the top and sprinkle with the crumb topping mixture

Crumb topping mixtures:
Mix together 1/2 cup sugar, 1/3 cup flour, 1/4 cup butter and 1 1/2 tsp cinnamon. Mix with a fork and sprinkle over the muffins before baking.
Bak for 20-25 minutes or until done.