Grilled Burger with Red Potatoes and Garlic Mayonnaise

Garlic Mayonnaise

• 2 garlic cloves
• 1 pinch salt, to taste
• 30 g extra virgin olive oil
• 115 g mayonnaise
• 1 tsp lemon juice
• ¼ tsp ground mustard powder

Hamburger Patties

• 3 green onions (green and white parts), cut into pieces
• 2 garlic cloves
• 1 ½ tsp salt
• ½ tsp black pepper, ground
• 680 g ground beef, crumbled

Grilled Potato Wedges

• 4 red potatoes
• 1 red onion, sliced in rounds (1 cm/½ in.)
• 2 tsp extra virgin olive oil
• ½ tsp salt
• ¼ tsp black pepper, ground
• 8 sprigs rosemary, fresh
• 6 hamburger buns, toasted or grilled