Add oats, baking powder, cinnamon, nutmeg to a large mixing bowl and mix to combine.
Add flaxseeds to a bowl with 10 tablespoons of hot water. Allow it to sit for a 2-3 minutes or until it becomes thick and gelatinous. Add to your large mixing bowl with almond milk, vanilla extract, honey and canola oil. Mix to combine.
Transfer oat mixture to a pre-greased 8 x 8 baking dish. Top with blueberries and sliced almonds.
Bake for 45-55 minutes or until set. Allow to cool before slicing and serving.