This recipe comes from the blog "Three hungry boys" - the ingredients are below, and the method is listed on the original site

Beet Veggie Burgers

- Serves 6 people -

Ingredients
2 tablespoons canola oil, divided
3 small beets, scrubbed and cleaned
½ cup green lentils, rinsed
½ cup millet
½ cup raw cashews
4 ounces brown mushrooms, trimmed and sliced
½ cup minced yellow onion
2 cloves garlic, minced
½ tsp salt
¼ tsp pepper
cheddar cheese, avocado, sauteed mushrooms for serving
sourdough bread

METHOD

Please see the method here