Preheat the oven to 375F and grease an 8x8 baking dish
In one bowl, combine the oats, baking powder, cinnamon, nutmeg, salt, and pecans
In another bowl, combine the almond milk, egg, maple syrup, coconut oil, and vanilla extract
Add wet ingredients to dry and stir to combine
While the mixture is sitting, mix together the topping ingredients in a small bowl
Heat a pan on medium heat with coconut oil and add the topping mixture. Cook until syrup comes to a low simmer (you may need to reduce the heat slightly as cooking to maintain just a low simmer). Cook about 5 minutes and remove from heat
Pour oat mixture into baking dish and press down to ensure that all the oats are fully soaked. Scatter pecan topping on top
Bake at 375F for about 40 minutes until top is lightly golden brown
Store in the fridge for up to 5 days