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Ingredients
For the burgers:
- 1 1/2 tsp whole black pepper
- 1/2 tsp coriander seeds
- 1/2 tsp cumin seeds
- 1/4 to 1/2 tsp cayenne powder
- 2 cloves fresh garlic, minced
- Salt
- 900g grass-fed ground lamb (antibiotic free, hormone free)
For the sauce:
- About 55g dried ancho chillies, caps removed and seeded
- About 55g dried pulla, caps removed and seeded
- About 55g dried pasilla, caps removed and seeded
- 240ml water
- 15ml sour cream
- 60ml extra-virgin olive oil
- 1 small clove garlic, chopped
- 2 to 3 tbsp fresh lime juice
- 1/2 tbsp salt
- Single cream (just enough to thin mixture to a saucy consistency)
For the sandwiches:
- 6 ciabatta buns, about 15 by 10cm
- 85g Cotija cheese
- Tomato, sliced
- Red onion, sliced
- Lettuce or spring green mix
Method
How to make Latin-spiced lamb burgers
1) For the burgers, toast the pepper, coriander and cumin together in a dry pan until they crackle and pop (shake the pan constantly). Their colour should be light brown, and the spices should smell like toasty and smoky.
2) Pour the toasted seeds straight into a coffee grinder and blend the spices to a fine powder. Press all the spices, garlic and salt well into the lamb. Form into six even burgers.
3) For the sauce, rip the dried peppers open to shake out the seeds (a few seeds left in is ok). Throw the peppers in a saucepan with the water, and boil over a medium heat until only 60ml of liquid remains at the bottom.
4) Put the peppers (with the cooking liquid) into a blender and add the sour cream, oil, garlic and lime; blend it until very smooth. Add the salt and blend again. Add the cream and pulse a few times just to incorporate and get a saucy, squirtable consistency.
5) Grill the lamb burgers and the ciabatta buns until nice, dark grill marks appear everywhere (lamb is at its juiciest around medium rare). Put about one tsp of sauce on each side of the bun. Slice the burgers in half to lay lengthwise on the bread, and crumble Cotija cheese on top.
6) Dress with plenty of juicy tomato slices, onion and lettuce. Cut the sandwich lengthwise (along the seam of the lamb burger) and plate with cross-section facing outward.
