Dinner

Lamb Leg Steak with Minted Peas and Crushed Potatoes

Name: Lamb Leg Steak with Minted Peas and Crushed Potatoes
Prep time: 25 min
Total time: 25 min
Yield: 1 serving
Ingredients: 170 g Lamb leg steak, fat trimmed; 200 g New potatoes; 100 g Frozen peas; 5 g Butter; 4 g Olive oil; A handful, chopped Fresh mint; A squeeze Lemon juice; 1 clove, about 3 g Garlic; A sprig Fresh rosemary; To taste Salt

A grilled lamb leg steak with peas crushed with mint and a little butter, and boiled new potatoes broken open. 43 g of protein for 559 kcal.

Calories: 559kcal
Protein: 43g
Fat: 23g
Carbs: 44g

Per serving, makes 1. 25 minutes of work. Published 8 September 2026.

Allergens

Milk

Flags follow UK labelling rules and come from the ingredients as listed, not from any particular brand. Check the packet before cooking for somebody with an allergy.

Ingredients

Lamb leg steak, fat trimmed170 g
Weighed raw. The same piece weighed after cooking has lost water, so the protein per gram is higher and the total would come out about a quarter over.
New potatoes200 g
Raw weight, skins on.
Frozen peas100 g
Butter5 g
Olive oil4 g
Fresh mintA handful, chopped
Lemon juiceA squeeze
Garlic1 clove, about 3 g
Fresh rosemaryA sprig
SaltTo taste

Method

Boil the potatoes in salted water for fifteen minutes. Drain, crush each one lightly with a fork, and toss with the oil and salt.
Rub the lamb with the crushed garlic, chopped rosemary and salt. Grill under a high grill or on a griddle for four minutes a side for a 2 cm steak, then rest for five.
Boil the peas for three minutes, drain, and crush roughly with the butter, mint, lemon and salt.
Slice the lamb and serve with the peas and potatoes, pouring the resting juices over.

Worth knowing

Five grams of butter in the peas is 37 kcal and is the difference between crushed peas and mushy peas. More does not add much.
Leg steak at 155 kcal per 100 g is the cut to buy for this. Chops with the fat on are nearer 280.

Other dinner recipes that share ingredients with this one, or every dinner between 450 and 600 calories a serving.

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Macros are calculated from the weights listed above using standard food composition values, and will shift with your own brands and measuring. Weigh what you can. This is a recipe, not dietary advice. The full health disclaimer is below.