Meaty Cabbage and Rice Stew

Name: Meaty Cabbage and Rice Stew
Ingredients: 3 tablespoons olive oil, divided; 2 pounds lamb, pork, or veal shoulder meat (or a combination), cut into 1-inch cubes; Salt and pepper for seasoning the meat; 1 large onion cut into a large dice; 6 cloves garlic, thinly sliced; 3 tablespoons sweet Hungarian paprika; 1/2 teaspoon crushed red pepper flakes (optional); one 28-ounce can whole plum tomatoes; 6 cups chicken broth, divided, plus more if needed; 1 cup long grain rice; 1/2 head of a large cabbage, chopped; 1 cup chopped flat leaf parsley; Salt, black pepper, and more paprika for seasoning if needed