Veggie burger (ENGLISH)

1 cup chopped onion

1 cup chopped mushrooms

1 1/2 cups diced sweet potato

2 garlic cloves, minced

1 tbsp coconut aminos

1 tbsp tomato paste

1-4-1/2 cup water, more if needed

1 cup walnuts au robot coarse

1/3 cup ground golden flaxseed, more if needed

1/2 tsp smoked paprika

1 tsp ground cumin

1/4 tsp black pepper