Meatball Subs

Meatballs

• 3 oz old fashioned rolled oats
• 3 oz cheddar cheese, cut into cubes
• 1 tsp salt
• 1 tsp dried chili flakes
• 2 oz yellow onion, cut into pieces
• 1 large egg
• 4 oz water
• 16 oz ground beef

Sauce

• 6 oz yellow onion, cut into pieces
• 4 garlic cloves
• ½ tsp dried chili flakes
• ½ oz olive oil
• 14 oz crushed tomatoes
• 3 ½ oz water
• 1 ½ tsp Italian seasoning
• 1 tsp salt
• ¼ tsp ground black pepper
• 8 bread rolls (e.g Vienna, baguette, approx. 6-7 in. long)
• 8 - 10 slices Swiss cheese
• 1 ½ oz arugula leaves, to serve
• 2 pickled gherkins, cut into thin slices, to serve