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Blackstone Outdoor Flat-Top Griddle Cookbook · Vegetarian & SidesAmerican BBQ & Griddle

Hibachi Style Zucchini Onions and Mushrooms with Soy Glaze

By Marcus J. Miller · US & Metric Measurements · Ready in 18 min

★★★★★4.8
·(30 home cook ratings)·✓ Tested in US Kitchens

Sizzling backyard Hibachi Style Zucchini Onions and Mushrooms with Soy Glaze cooked on a hot cast-iron Blackstone flat-top griddle. Delivers steakhouse sear, crispy caramelized edges, and smoky diner flavor using zucchini and yellow onion.

Digestive Note: Griddle Pitmaster Note: Two-zone flat-top cooking (425°F sear zone + 325°F finishing zone) locks in juices while building diner-style crust.
Prep: 10 min
Cook: 8 min
Total: 18 min
Servings: 4
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Ingredients (7)

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Nutrition FactsPer Serving
Calories
522 kcal
Total Fat
16g
Protein
40g
Carbs
8g
Sodium: 582mgFiber: 4g
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Step-by-Step Instructions

1
Preheat your Blackstone flat-top griddle over medium-high heat until the cast-iron surface reaches 400°F–425°F (205°C–218°C).
2
Apply a thin layer of high-smoke-point avocado oil across the cooking zone and set up a cooler 325°F warming zone on one side.
3
Place zucchini directly onto the hot steel without moving for 2–3 minutes to build a deep golden Maillard crust.
4
Flip with a heavy beveled griddle spatula, add yellow onion, button mushrooms, and soy sauce, and cook for 5 minutes.
5
Finish with sesame seeds, dome-steam for 30 seconds if melting cheese, and transfer immediately to warm plates.

💡 Chef Tips for Best Results

  • ✓Keep a squeeze bottle of water and a melting dome next to your Blackstone to steam vegetables or melt cheese in seconds.
  • ✓Always scrape food residue into the rear grease trap while the griddle is still warm, then rub with 1 tsp oil to protect your seasoning.
  • ✓Bring zucchini out of the fridge 15 minutes before griddling and pat bone-dry for the crispiest sear.

🧊 Storage, Freezing & Safe Reheating

Refrigerate leftovers in an airtight container at 40°F (4°C) for up to 4 days, or freeze for up to 2 months. Reheat to 165°F (74°C) before serving.

Frequently Asked Questions

What temperature should my Blackstone griddle be for Hibachi Style Zucchini Onions and Mushrooms with Soy Glaze?

Aim for 400°F–425°F (medium-high) for searing meats and 350°F (medium) for eggs, tortillas, or delicate sauces.

What is the best oil to use on a Blackstone flat-top?

Avocado oil or refined canola oil works best for initial high-heat searing (smoke point > 450°F), followed by real butter in the final minute for flavor.

📖 More Recipes from Blackstone Outdoor Flat-Top Griddle Cookbook

Adapted from Blackstone Outdoor Flat-Top Griddle Cookbook by Marcus J. Miller. Explore all 100 recipes in this collection or look up the print & Kindle edition on Amazon.

MJ

Recipe by Marcus J. Miller

Adapted from Blackstone Outdoor Flat-Top Griddle Cookbook and edited for American kitchens by the RecipeVault Pro editorial team — US & metric measurements, USDA-safe doneness temperatures, and practical tips. Our editorial policy

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