Paella Master Recipe

Name: Paella Master Recipe
Ingredients: 3 tablespoons olive oil; 1/2 pound meat, like boneless chicken thighs, chorizo or pork, cut into 1-inch pieces (optional); Salt and black pepper to taste; 1 onion, chopped; 1 bell pepper, chopped; 2 cups short-grain rice, such as Bomba, Calasparra, Calrose or Arborio; 1 pinch of saffron threads (optional); 3 1/2 cups hot chicken, lobster or vegetable stock; water; wine; or a combination; 1/2 pound seafood, like shrimp, mussels or squid; 1/2 pound vegetables, like olives, tomatoes, snow peas or mushrooms