Preheat the oven to 350 degrees F.
Spray a muffin pan with spray oil or if you'd like to use muffin papers, add those to your muffin pan.
Peel, core, and cut the apples. Set aside.
Combine the flax meal and water in a small bowl and set aside.
In a bowl add the flour, sugar, baking powder, and salt. Using a whisk stir to combine.
1 3/4 cup flour, 1/2 cup sugar, 2 tsp baking powder, 1/4 tsp salt
Add the flax/water mixture, oil, oat milk, and apple cider vinegar to the dry ingredients. Stir to fully combine.
1 tbsp flax meal + 2 tbsp water, 1 cup oat milk, 1/4 cup oil, 1 tsp apple cider vinegar
Stir in the cinnamon
1 tsp cinnamon
Using a spatula, gently fold in the apples.
2 medium apples
Next, it's time to make the crumb coat. Combine the flour, sugar, and vegan butter to a small bowl. Using your hands mix the ingredients together until it resembles crumbs.
2 tbsp flour, 2 tbsp sugar, 2 tbsp vegan butter
Scoop out the muffin batter to the muffin tin. Then sprinkle some crumb coating over the top. Repeat this process until all of the muffin batter and crumb coating is used.
Bake at 350 degrees F for 15 minutes or until a tooth pick comes out clean. Makes 12 muffins.