Red Beans and Rice

INGREDIENTS

• 1 cup uncooked long-grain white rice
• 2 cups water
• 2 tablespoons butter
• 1 onion, chopped
• 1/2 green bell pepper, chopped
• 16 ounces smoked sausage, thinly sliced
• 1 (15 ounce) can kidney beans, drained
• 1 (14.5 ounce) can diced tomatoes, undrained