Roasted rack of lamb with mint yogurt sauce

Name: Roasted rack of lamb with mint yogurt sauce
Ingredients: 2 racks of spring lamb (about 2 lbs), preferably from New Zealand; 1 tub of plain Greek yogurt (500 g) at least 2 %; 1/2 cup Italian parsley, chopped; 1/2 cup fresh mint, chopped (or more if desired); 1 lemon, zested & juiced (we used a Meyer lemon); 1/2 cup red onion, chopped; 3 cloves of garlic, minced (spring garlic would be lovely here); 1/4 cup very good olive oil; 1 teaspoon smoked paprika; 1 pinch Fleur de Sel; Fresh ground pepper