Patty melt toasties recipe | Good Food

Ingredients

• 3 tbsp butter
• 2 tbsp olive oil
• 1 large onion finely sliced
• 200g beef mince
• ½ tsp garlic granules
• 2 tsp Worcestershire sauce
• 4 slices bloomer loaf or white bread
• 100g mature cheddar grated
• 100g Swiss cheese grated
• 2 tsp Dijon mustard