Preheat oven to 400 degrees.
Mix dry ingredients in a large bowl until well combined.
Add sugar followed by the wet ingredients, stirring to incorporate.
Fold in the chopped apples.
Grease a muffin tin or line with baking cups. Divide muffin batter between the muffin cups.
Bake for 20-25 minutes or until a toothpick inserted in the muffins comes out clean.
