In a pan, heat Canola oil on medium heat and add chopped onions. Saute onions for 2-5 minutes or until softened. Add minced garlic, mushrooms, and spices. Cook for an additional 2-3 minutes and taste to adjust seasonings. Remove from heat.
In a food processor, add black beans, lentils, quinoa, and egg. Pulse until a puree has been formed. Spoon into a large mixing bowl. Add quick oats and mix with a large spoon.
Using a 1/2 cup measuring cup, scoop bean mixture and create a patty with your hand. Place on a tray with parchment paper.
Heat 1 tsp Canola oil in a pan on medium heat. Place 1-2 burgers on pan and cook on each side for 4-5 minutes or until brown. Place on buns with favourite burger toppings and serve with a salad.
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