Refried Radicchio Verde

Name: Refried Radicchio Verde
Ingredients: 1 teaspoon vegetable oil; 1 onion, chopped; 1 small red bell pepper, chopped; 1 (7 ounce) can green salsa (salsa verde); 1 1/2 pounds vegetarian beef crumbles; 1 cup water; 1 (16 ounce) can refried beans; 1/2 teaspoon ground cumin; 1/2 teaspoon chili powder; 1/2 teaspoon garlic powder; 1 head iceberg lettuce, shredded; 1 head radicchio, shredded; 1 1/2 cups hot cooked white rice; 1/4 cup sour cream, or to taste; 1/4 cup shredded Monterey Jack cheese, or to taste (optional)