Leftover Roasted Lamb Tacos with Tzatziki

Leftover roasted lamb is one of those ingredients that somehow tastes even better the next day. The meat becomes deeply savory, and when chopped and quickly sautéed with garlic, oregano, and lemon, it transforms into the perfect filling for tacos. These lamb tacos balance tender lamb with creamy tzatziki sauce, fresh vegetables, and warm tortillas for a meal that feels both comforting and exotic.

The flavor combination leans Mediterranean or Greek rather than traditional Tex-Mex. The lamb is gently cooked with olive oil, garlic, oregano, salt, pepper, and a splash of lemon juice. Then everything gets tucked into toasted tortillas and topped with cucumber, tomato, and red onion. The real star is the cool tzatziki. The contrast between warm lamb and the chilled yogurt sauce creates a beautifully balanced bite that feels like something you would grab from a busy NYC food truck!

You can add feta cheese if you like, but I feel the creaminess of tzatziki is enough to balance the flavors and richness. The yogurt sauce already brings tanginess and body, so the tacos taste complete without needing much else. A sprinkle of fresh mint adds brightness and makes the whole dish feel slightly piquant and refreshing.

For the bread, I personally prefer corn tortillas instead of flour or pita. Corn tortillas add a subtle toasted flavor and a bit more structure, which works well with juicy lamb. That said, flour tortillas or even warm pita breads make excellent substitutes, especially if that is what you have on hand.

How to Make Greek Style Lamb Tacos at Home

Leftover roasted lamb becomes an easy taco filling when sautéed with garlic, oregano, olive oil, and lemon. Serve it with tzatziki, diced vegetables, and toasted corn or flour tortillas for a quick meal.

Ingredients

For the Lamb Taco Meat

• 2 cups roasted lamb, chopped into small pieces
  (can substitute ground lamb or raw chopped lamb, but increase cooking time)
• 1 tablespoon olive oil
• 3 garlic cloves, chopped
• 1 teaspoon fresh oregano or ½ teaspoon dried oregano
• ½ teaspoon salt (or to taste)
• ¼ teaspoon black pepper
• 1 tablespoon lemon juice

For the Tzatziki Sauce

• 1 cup Greek yogurt
• ½ cup grated cucumber
• ¼ teaspoon salt
• 1 teaspoon olive oil
• 1 to 2 garlic cloves, finely chopped
• 1 tablespoon lemon juice
• ½ teaspoon fresh oregano or ¼ teaspoon dried oregano

Taco Toppings

• ½ cup diced cucumber
• ½ cup diced tomato
• ¼ cup diced red onion
• 2 tablespoons chopped fresh mint (for garnish)
• Feta cheese, optional

For the Tacos

• 8 corn tortillas, flour tortillas, or small pita breads
• Lemon wedges (optional)

Prep / Mise En Place

• Chop roasted lamb into small bite-size pieces.
• Chop garlic and oregano if using fresh.
• Dice cucumber, tomato, and red onion for toppings.
• Grate cucumber for tzatziki and lightly squeeze out excess water if very watery.
• Chop fresh mint.

Instructions

1. Heat olive oil in a skillet over medium heat.
2. Add chopped garlic and sauté for about 30 seconds until fragrant. Add the chopped roasted lamb, oregano, salt, and pepper.
3. Cook for 4 to 6 minutes, stirring occasionally, until the lamb is heated through and slightly crisp on the edges. Add lemon juice and cook for another minute. Remove from heat and set aside. 
4. If using raw chopped lamb or ground lamb, cook for about 8 to 10 minutes until fully cooked and tender.
5. In a bowl combine Greek yogurt, grated cucumber, salt, olive oil, chopped garlic, lemon juice, and oregano. Mix well until smooth. Taste and adjust salt or lemon if needed. Refrigerate until ready to serve.
6. Warm a skillet over medium heat. Toast tortillas one at a time for about 20 to 30 seconds per side until warm and lightly charred in spots. Keep them wrapped in a towel to stay warm.
7. Place a portion of warm lamb onto each tortilla. Top with diced tomato, diced cucumber, and diced red onion. Add a generous spoonful of tzatziki sauce.
8. Garnish with chopped mint and optional feta cheese. Serve with lemon wedges on the side if desired.

Serving Suggestions

• Serve with Greek lemon potatoes or roasted potatoes.
• Add a simple Mediterranean salad with olives and tomatoes.
• Pair with grilled vegetables like zucchini or eggplant.
• A light cucumber salad also works well alongside the tacos.

The contrast of warm lamb and cool tzatziki is what makes these tacos work so well. Fresh cucumber, tomato, and mint add brightness and texture to each bite.