This is the standard muffin recipe with a few variations.
1 1/2 cups flour
3/4 cup sugar
1/2 tsp salt
2 tsp baking powder
1/3 cup oil
1/3 cup milk or almond milk
1 egg or 1/4 cup applesauce
1 tsp vanilla
1 1/2 tsp apple cider vinegar
1 tsp? Apple Pie spice
1 heaping cup peeled, diced Granny Smith Apples
Combine all dry ingredients in a mixing bowl. Add the liquid ingredients and mix until combined.
Add the apples and gently fold into batter with a spatula until incorporated.
Fill 12 muffin liners. Sprinkle with course sugar. Bake at 400 degrees on the middle rack for 20-25 minutes. Allow muffins to cool for 10 minutes before removing from pan.