Marinated Greek Lamb Chops with Mushrooms and Tomatoes

Ingredients

1 rack of lamb (8 to 9 single-rib lamb chops)
1/3 cup olive oil
4 crushed garlic cloves
Juice of 1 lemon
2 tablespoons fresh or 2 teaspoons dried oregano
Pinch of salt and pepper
Thinly sliced ​​portobello mushrooms
Sliced ​​tomatoes
Sliced ​​green onion
Lemon slices for garnish

Instructions