Preheat oven to 400 degrees F (200 degrees C). Grease 16 muffin cups.
Step 2
In a large bowl, mix the whole wheat flour, millet flour, baking powder, baking soda, and salt. In a separate bowl, mix the buttermilk, egg, vegetable oil, and honey. Stir buttermilk mixture into the flour mixture just until evenly moist. Transfer batter to the prepared muffin cups.
Step 3
Bake 15 minutes in the preheated oven, or until a toothpick inserted in the center of a muffin comes out clean.