Ecological burger Grab burger

Ingredients

• 1 onion
• 1 tomato
• 2/3 letiuce leaves
• Burger bread
• 1 slice of emmental cheese
• 1 hambourger

Instructions

1. Slice the onion and the tomato
2. Grill the burger in a pan with a teaspoon of olive oil
3. Add the onion and cook until brown
4. Prepare the bread with the tomato and letuice
5. Add the burger, the onion and the cheese
6. Season with ketchup/ mustard to one’s taste