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Spicy Beef Fajitas

If you love your meals with a proper kick, these Spicy Beef Fajitas are about to become a firm favourite. Packed with tender strips of beef, sizzling peppers, and a bold blend of spices, this dish brings serious heat without compromising your Slimming World goals. It’s one of those recipes that feels indulgent but is actually completely swip free when served on its own—perfect for staying on track while still enjoying big, punchy flavours.
Nutritional Information (Per Serving)
Slimming World: Zero
Weight Watchers: 4
Calories: 320
Course Main Course
Cuisine Mexican
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings 4

Ingredients

  • 500g Lean Beef [Finely Sliced]
  • 1 Red Pepper [Deseeded, Sliced]
  • 1 Orange Pepper [Deseeded, Sliced]
  • 1 Large Red Onion [Peeled, Sliced]
  • 2 Garlic Cloves [Crushed]
  • 1 Fresh Red Chilli [Finely Diced]
  • 1 tsp Smoked Paprika
  • 1 tsp Hot Chilli Powder
  • ½ tsp Cayenne Pepper
  • 1 tsp Ground Cumin
  • 1 tsp Dried Oregano
  • ½ tsp Black Pepper
  • 1 tsp Granulated Sweetener
  • ½ Lime [Juice Only]
  • Low Calorie Cooking Spray

Instructions

  • Slice your beef into thin strips (against the grain for tenderness).
  • Spray a large frying pan or wok with low-calorie cooking spray and heat on high. Add the beef and fry for 3–4 minutes until browned. Remove and set aside. If it sticks add a splash or two of water.
  • In the same pan, add the red onion, peppers, garlic, and chilli. Stir-fry for 5–6 minutes until slightly softened but still with a bit of crunch. Add water if the mixture sticks.
  • Return the beef to the pan. Add in all the spices, sweetener and lime juice. Stir well so everything is coated evenly.
  • Cook for another 3–4 minutes until everything is sizzling and fragrant.
  • Spoon into wraps or serve in large lettuce leaves for a completely swip-free option. Top with yoghurt for a swip free topping.