Apple Rhubarb Crumble Slice

Apple and rhubarb crumble slice. Oil-free (no oil) recipe. Whole food, plant-based (WFPB) healthy vegan food. A delicious and nutritious way to use up any rhubarb stalks or apples that are in season. Ingredients you'll need include simple pantry staples such as wholemeal flour, rolled oats, almonds, baking soda, coconut sugar and cinnamon.