Gluten Free Banana Muffins

Name: Gluten Free Banana Muffins
Prep time: 10 min
Cook time: 28 min
Total time: 38 min
Cuisine: American
Ingredients: 1 Cup Gluten Free 1-to-1 Flour Blend (I use Bob's Red Mill); 1 teaspoon Baking Powder; 1/4 teaspoon Salt; 1/2 teaspoon Cinnamon; 1/8 teaspoon Nutmeg; 1/2 Cup Sugar; 1 Egg; 3 Tablespoon Olive Oil; 1/2 teaspoon Vanilla; 1/4 Cup Non-Dairy Milk (Dairy free or regular); 1 Ripe Banana (mashed, about 1/2 cup); 3/4 Cup Walnuts (roughly chopped)