This apple cinnamon oatmeal muffins recipe is super basic — and dairy-free! However, if you don't have almond milk you can use regular milk (same measurement). Just make sure you soak your steel-cut oats a day in advance: pour enough boiling water over the oats to fully cover them and then store them in the refigerator overnight (drain before using in this recipe).
Preheat the oven to 400 degrees.
Sift the first 5 ingredients together. Add in the oats and sugar. Separately whisk the egg into the almond milk and then stir into the flour and oats mixture.
Stir in the apple. Pour into greased or lined muffin tins, leaving about ¼-inch at the top.
Bake for 20 minutes. Serve.