Apple Streusel Muffins

I got these out of a magazine, and they are the best muffins I've ever tasted! They taste best when served warm.

• Ready In: 40 mins
• Yields: 12 Muffins

Ingredients

• 2  cups all-purpose flour
• 1  cup sugar
• 1  teaspoon baking powder
• 1⁄2 teaspoon baking soda
• 1⁄2 teaspoon salt
• 2  eggs
• 1⁄2 cup butter, melted
• 1 1⁄4 teaspoons vanilla extract
• 1 1⁄2 cups  chopped peeled tart apples

• Streusel Topping

• 1⁄3 cup  packed brown sugar
• 1  tablespoon all-purpose flour
• 1⁄8 teaspoon ground cinnamon
• 1  tablespoon  cold butter

• Glaze

• 1 1⁄2 cups confectioners' sugar
• 1 -2  tablespoon milk
• 1  teaspoon butter, melted
• 1⁄4 teaspoon vanilla extract
• 1⁄8 teaspoon salt

Directions

1. In a bowl, combine the flour, sugar, baking powder, baking soda and salt.
2. In another bowl, whisk the eggs, butter and vanilla; Stir into dry ingredients just until moistened (batter will be stiff). Fold in apples.
3. Fill greased or paper-lined muffin cups three-fourths full.
4. In a small bowl, combine the brown sugar, flour and cinnamon; cut in butter until crumbly. Sprinkle over batter.
5. Bake at 375 degrees for 15-20 minutes. or until a toothpick comes out clean. Cool for 5 minutes before removing from pan to a wire rack to cool completely.
6. Combine glaze ingredients; drizzle over muffins.
7. Enjoy!