Crockpot Ropa Vieja with Cuban Style Rice

Name: Crockpot Ropa Vieja with Cuban Style Rice
Cuisine: Latin American, American, Cuban
Ingredients: 1.5-2lbs chuck roast; 1 yellow onion, thinly sliced; 1 red bell pepper, thinly sliced; 1 yellow bell pepper, thinly sliced; 1 (6 oz) can tomato sauce; 1 (14 oz) can diced tomatoes; 3 tablespoons capers, drained; 1 tablespoon cumin; 1 tablespoon dried thyme; 1 tablespoon dried oregano; 4 garlic cloves, peeled; 1 bay leaf; salt and pepper, to taste; 1 head of cauliflower, stem removed and roughly chopped; 3 thick sliced of bacon, diced; 1 (4 oz) can tomato sauce; 2 teaspoons cumin; 1 teaspoon garlic powder; 1 teaspoon onion powder