Lemon-Raspberry Muffins

Ingredients

• 2 cups all-purpose flour or whole wheat flour
• 1 cup sugar
• 1 Tablespoon baking powder
• 1/2 teaspoon salt
• 2 eggs, lightly beaten
• 1 cup buttermilk
• 1/2 cup vegetable oil
• 1 teaspoon lemon extract
• 1 cup fresh or frozen raspberries