Southern Fried Cabbage With Sausage

INGREDIENTS

• 3 tablespoons margarine or 3 tablespoons bacon fat
• 1 small green cabbage, chopped
• 1/2 cup onion, chopped
• 3/4 lb smoked sausage, sliced (I like Conecuh, Original)
• 1 (15 ounce) can diced tomatoes, undrained (I like Hunt's Petite Diced)
• 1/4 teaspoon garlic salt (or to taste)
• 1/4 teaspoon Tony Chachere's Seasoning (or to taste) (optional)
• salt, to taste
• black pepper, to taste