Preheat oven to 400°F

Combine 1/3 cup pancake mix, 1/2 tsp cinnamon, 1/2 cup Greek yogurt, 1 egg, and 1/4 cup oat milk and stir to combine. Add diced apple pieces to the bowl. Stir to combine.

Add mixture to non-stick sprayed bowl. Top with diced apple, brown sugar, and a sprinkle of cinnamon.

Bake in oven for 30 minutes.

Make icing with greek yogurt thinned with a bit of oat milk. Place on top.