Mujadareh

3 cups lentils, uncooked 1 cup brown rice, uncooked 1/4 cup raw apple cider vinegar, lemon juice, or whey 8 to 12 cups filtered water 2 large onions, sliced 4 T extra virgin olive oil (or other cooking fat, such as tallow or coconut oil) salt and pepper to taste optional: cinnamon to taste Put [...]