Pre-heat the oven to 375 °F
Spray a 13x9-inch baking dish with nonstick spray
Whisk together the applesauce, egg, egg white, sugar, baking powder, vanilla, salt, and culinary lavender
Stir in milk of your choice
Stir in uncooked oats
Stir in blueberries
Pour into baking dish and bake for about 45 minutes until a toothpick or knife inserted into the center of the oatmeal comes out clean. If you're using frozen blueberries, you might have to bake it a little longer (about one hour), so keep your eyes on it!