• 1 1/2 cups all-purpose flour
• 2 teaspoons baking powder
• 1 cup fresh blueberries
• 1/3 cup all-purpose flour
• 1 1/2 teaspoons ground cinnamon
Preheat oven to 350 degrees. 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. Add 1 tsp of vanilla. Fold in blueberries.
Fill muffin cups right to the top, and sprinkle with chopped walnuts and the 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 20-23 or until a toothpick comes out clean.