Prep: Make flax egg and set aside. Cook quinoa if not already prepared.
Sauté: Heat 1 tbsp oil in a pan. Cook onions, garlic, and mushrooms until soft. Season with paprika, salt, and pepper.
Mix: In a bowl, combine mushrooms, quinoa, flax egg, breadcrumbs, and Worcestershire sauce. Let rest 10 mins.
Shape: Form into 4 patties (½-inch thick).
Cook: Heat remaining oil in a pan. Cook patties 4-5 mins per side until golden.