Easy blueberry muffins, perfect for beginner bakers: stir together 2 cups flour, 3 tsp baking powder, 1/2 teaspoon salt, & 3/4 cup white sugar. Beat 1 egg and stir in 1 cup milk & 1/4 cup vegetable oil. Pour this into the flour, mix quickly, but don't beat. Pour the batter into paper lined muffin pan cups. To make Blueberry Muffins, add 1 cup fresh blueberries to the mixture.