Step 1

Preheat oven to 400°F. Grease a 12-cup muffin tin or line with paper muffin liners.

Step 2

In a medium bowl whisk together dry ingredients. Add oil, egg and milk and stir just until combined. Fold in apples. Divide batter between the 12 muffin cups.

Step 3

In a small bowl, mix topping ingredients, blending together with a pastry cutter or fork. Sprinkle over unbaked muffins.

Step 4

Bake 15 to 20 minutes, or until a toothpick inserted in center of muffin comes out clean.