Roasted lamb with potatoes in the oven-Mamma’s way

Difficulty:  Time: INGREDIENTS (x 2 persons) - 350g extra trimmed rack of lamb - ½ lemon juice - 2 shallots (or a small onion), thinly sliced - 4 big potatoes - 2-3 garlic cloves, thinly sliced - 5-6 cherry tomatoes - rosemary - 1 glass dry white wine (Sauvignon Blanc) - extra virgin olive oil - salt/ground black pepper - a handful of ...