Pork and Veggie Casserole

Ingredients

• 7 ounces of pork tenderloin, cut into cubes
• vegetable oil
• ½ white onion, diced
• 1 red bell pepper, chopped
• 5 garlic cloves
• ¼ teaspoon cumin seeds
• ½ cup red wine
• 1 spring onion, slices
• 1 teaspoon mustard
• ⅓ cup tomato sauce
• salt
• pepper