Preparation

• Preheat oven to 400 degrees F (200 degrees C).
• Grease muffin cups or line with muffin liners.
• Combine 1 1/2 cups flour, 3/4 cup sugar, salt and baking powder.
• Place vegetable oil into a 1 cup measuring cup; add the egg and enough milk to fill the cup.
• Mix this with flour mixture.
• Fold in blueberries.
• Fill muffin cups right to the top, and sprinkle with crumb topping mixture.
• To Make Crumb Topping: Mix together 1/2 cup sugar, 1/3 cup flour, 1/4 cup butter, and 1 1/2 teaspoons cinnamon.
• Mix with fork, and sprinkle over muffins before baking.
• Bake for 20 to 25 minutes in the preheated oven, or until done.