Cheesy Shrimp-and-Grits Casserole

INGREDIENTS

• 4 cups chicken broth
• 1/2 teaspoon salt
• 1 cup regular grits
• 1 cup shredded sharp cheddar cheese, divided (4 ounces)
• 1 cup shredded monterey jack pepper cheese (4 ounces)
• 2 tablespoons butter or 2 tablespoons margarine
• 6 green onions, chopped
• 1 green bell pepper, chopped
• 1 clove garlic, minced
• 1 lb fresh small shrimp, peeled and cooked
• 1 (10 ounce) can diced tomatoes and green chilies, drained
• 1/4 teaspoon salt
• 1/4 teaspoon pepper