Open Flame-Grilled Beef Burger with Cajun-Spiced Aioli

By AislePrompt Editorial · Published 2026-05-25 · Updated 2026-05-25

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are developed and reviewed.

Juicy beef burgers grilled over an open flame, topped with a zesty Cajun-spiced aioli, combining American classics with Louisiana flair. This American-inspired beef recipe, ready in about 27 minutes, pairs ground beef, salt, black pepper for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 600 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 12 min Serves 4 American cuisine 600 cal/serving

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Ingredients

1.5 lbs, 80/20 lean-to-fat ratio ground beef
1 tsp salt
1/2 tsp black pepper
1 tsp cajun seasoning
1/2 cup mayonnaise
1 tsp lemon juice
1/2 tsp garlic powder
1 tsp hot sauce
4, toasted burger buns
4 lettuce leaves
8 tomato slices
1 small, thinly sliced red onion

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Instructions

Step 1: In a large bowl, combine 1.5 lbs ground beef with 1 tsp salt, 1/2 tsp black pepper, and 1 tsp Cajun seasoning. Mix gently and form into four 6-ounce patties, making a slight indentation in the center of each.
Step 2: Preheat an open flame grill or grill pan to high heat (about 450°F). Grill the patties for 4-5 minutes per side for medium doneness, flipping once, until a crust forms and internal temperature reaches 160°F.
Step 3: While the burgers cook, mix 1/2 cup mayonnaise with 1 tsp lemon juice, 1/2 tsp garlic powder, and 1 tsp hot sauce in a small bowl to make the Cajun aioli.
Step 4: Toast 4 burger buns on the grill until golden, about 1 minute.
Step 5: Assemble each burger by spreading 1 tbsp Cajun aioli on the bottom bun, topping with a beef patty, 1 lettuce leaf, 2 tomato slices, and some thinly sliced red onion. Cap with the top bun and serve immediately.