Mix 1 3/4 cup flour,  3/4 cup sugar,  2 teaspoons baking powder, 1/2 teaspoon cinnamon and 1/4 teaspoon salt

Mix 1/4 cup flour with   1 1/2 cup fresh or frozen blueberries

Mix 1 cup milk, 1/4 cup of melted butter, 1/3 cup oil and 1 large egg

Mix dry ingredients with the wet ingredients an then gently mix in the blueberries

Evenly divide batter into 18 greased or lined muffin cups

Mash together 3 Tablespoons flour, 1/3 cup brown sugar and 2 Tablespoons butter that has been cut in small pieces

Evenly sprinkle streusel topping onto the muffin batter

Bake at 350˚ for 18-20 minutes until muffins are cooked through and streusel is lightly brown