Whiskey-Glazed Beef Skewers with Charred Onions

By AislePrompt Editorial · Published 2026-07-04 · Updated 2026-07-04

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.

Tender beef skewers are marinated in a smoky whiskey glaze and grilled alongside sweet charred onions for a perfect smoky-sweet bite. This American-inspired barbecue recipe, ready in about 27 minutes, pairs beef sirloin, whiskey, soy sauce for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 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 320 cal/serving

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Ingredients

1 lb, cut into 1-inch cubes beef sirloin
1/4 cup whiskey
2 tbsp soy sauce
2 tbsp brown sugar
3, minced garlic cloves
1 tsp, freshly ground black pepper
1 large, cut into thick wedges red onion
2 tbsp olive oil
8, soaked in water for 30 minutes wooden skewers

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Instructions

Step 1: In a medium bowl, combine 1/4 cup whiskey, 2 tbsp soy sauce, 2 tbsp brown sugar, 3 minced garlic cloves, and 1 tsp freshly ground black pepper. Whisk until sugar dissolves and aroma is noticeable.
Step 2: Add 1 lb beef sirloin cubes to the marinade, toss to coat thoroughly, cover, and refrigerate for at least 2 hours or up to overnight to absorb flavors.
Step 3: Preheat a grill or grill pan to medium-high heat (about 400°F). Thread marinated beef cubes and red onion wedges alternately onto the 8 soaked wooden skewers.
Step 4: Brush skewers with 2 tbsp olive oil, then grill for 3-4 minutes per side, turning carefully until beef is medium-rare and onions are charred at the edges with softened centers.
Step 5: Remove from grill and let rest for 5 minutes before serving to allow juices to redistribute.