Sauté vegetables in oil and seasonings until softened and set aside.
Add oats and flax seed to a food processor or blender and blend on a low speed for 10-12 seconds.
Add water, beans and rice and pulse 6-8 times.
Add sautéed vegetables and pulse 6-10 times until desired consistency is reached.
Form a patty with blended mixture and refrigerate for 1 hour. Heat a greased pan over medium to medium high heat and cook both sides of the patty until heated through.
Serve with your favourite burger toppings. Inspired by BlendTec