Cabbage and Beef Borscht

Name: Cabbage and Beef Borscht
Ingredients: 1 Large (2 small) had of cabbage, shredded or chopped; 2 Onions, sliced thin; 2 Carrots, diced; 3 Celery stalks, sliced thin; 2-3 Flanken (sub short-rib); 2-3 Marrow bones; 3 quarts Water; 2 tablespoons Olive/Canola oil; 1 14 oz. can tomato sauce; 1 14 oz. can diced tomatoes; 1/4 cup brown sugar, or more to taste; 1 can whole beets; 1/4 teaspoon Sour salt, or more to taste; 1 teaspoon Salt; 1/2 teaspoon Pepper; 1/2 teaspoon Red pepper; 1/2 teaspoon Crushed red pepper; 1 Fresh lemon, squeezed