Colin’s one-pan lamb shanks recipe feature a surprising ingredient that’s currently in season- Bette

Ingredients

• 6 medium beetroots, scrubbed, trimmed (leaves reserved)
• 2 red onions
• 3 large sweet potatoes, scrubbed
• 4 cloves garlic, thinly sliced
• 1/2 bunch thyme, torn
• 1/2 bunch marjoram, torn, plus extra for garnish
• 2 bay leaves
• 2 Tbsp finely grated fresh horseradish (if using)
• Sea-salt flakes and freshly ground black pepper, to season
• 1/2 cup red wine vinegar
• 100ml olive oil, plus extra, to serve
• 1 cup water
• 4 lamb shanks
• 100g feta, crumbled
• Juice of 1 lemon
• Horseradish cream, to serve