Beef Shepherd's Pie Recipe from United Kingdom with Corn and Potatoes

Ingredients

• 1 lb (454 g) ground beef
• 1 clove minced garlic
• 1 medium white onion , chopped
• 0.25 cup green pepper , chopped
• 2 tbsp flour
• 1 tsp salt
• 2 tsp freshly ground black pepper
• 2 cups water
• 2 cups cooked whole-kernel corn
• 4 cups mashed potatoes
• 2 tbsp parsley , chopped