Alt text: "Grilled vegetarian BBQ items including portobello mushrooms, cauliflower steaks, zucchini slices, colorful vegetable skewers, and corn on the cob, arranged on a grill with a bowl of chimichurri sauce in the center. Bold white text overlay reads 'Vegetarian BBQ Options.'"

Ultimate Guide to Vegetarian BBQ: Meatless Options That Steal the Show

July 09, 20255 min read

🔥 Ultimate Guide to Vegetarian BBQ: Meatless Options That Steal the Show

Who says BBQ has to revolve around ribs and burgers? Whether you're a lifelong vegetarian, a part-time plant lover, or just looking to impress guests with something fresh and flavorful, this guide brings together the very best in vegetarian BBQ. From mushroom and cauliflower steaks to blistered peppers, grilled zucchini, homemade veggie burgers, and bold sauces, you’ll be amazed by how satisfying and savory a meatless cookout can be.


🍄 Mushroom Steaks: Meaty Without the Meat

Portobello mushrooms are the rock stars of plant-based grilling. Their thick, juicy texture and umami flavor make them a fantastic stand-in for traditional steaks.

Classic Balsamic Marinade:

  • ¼ cup balsamic vinegar

  • 2 tbsp olive oil

  • 1 tbsp soy sauce or tamari

  • 2 cloves garlic, minced

  • 1 tsp thyme or rosemary

  • Black pepper to taste

Let mushrooms soak for 30 minutes, then grill gill-side down until tender and juicy. Finish with blue cheese or chimichurri for added punch.


🥦 Cauliflower Steaks: A Show-Stopping Centerpiece

Thick cauliflower slices caramelize beautifully on the grill and soak up flavor like a sponge.

Spiced Curry Marinade:

  • 3 tbsp olive oil

  • 1 tsp curry powder

  • ½ tsp turmeric

  • ½ tsp paprika

  • 1 tsp lemon juice

  • Salt to taste

Brush generously and grill each side for 6–8 minutes over medium heat until nicely charred.


🥒 Grilled Zucchini: Smoky & Simple

Zucchini slices grill quickly and hold onto smoky flavor while maintaining a crisp-tender bite.

Garlic-Herb Oil:

  • 2 tbsp olive oil

  • 1 clove garlic, minced

  • 1 tsp Italian seasoning

  • Salt & pepper

Slice zucchini lengthwise, brush with oil, and grill for 2–3 minutes per side. Sprinkle with parmesan or nutritional yeast before serving.


🍔 Homemade Vegetarian Burgers

Store-bought patties are fine—but homemade veggie burgers are next-level delicious. Packed with real ingredients and bold flavors, they’re hearty enough to hold up on the grill.

Smoky Black Bean Burger Recipe:

  • 1 can black beans, mashed

  • ½ cup cooked brown rice or quinoa

  • ½ cup breadcrumbs

  • ¼ cup chopped onion

  • 1 garlic clove, minced

  • 1 tbsp BBQ sauce or ketchup

  • 1 tsp smoked paprika

  • 1 egg (or flax egg)

  • Salt & pepper to taste

Shape into patties, chill for 20 minutes, and grill 4–5 minutes per side. Top with avocado, slaw, and roasted garlic for the win.

Bonus Variations:

  • Beet + Chickpea Burgers

  • Sweet Potato + Lentil Burgers

  • Grilled Halloumi Burgers (vegetarian, not vegan)


🌿 Chimichurri Sauce: BBQ’s Best Friend

This herbaceous, garlicky sauce adds a vibrant kick to almost everything.

Classic Chimichurri:

  • 1 cup fresh parsley

  • ¼ cup fresh oregano

  • 2–3 garlic cloves

  • 2 tbsp red wine vinegar

  • ½ cup olive oil

  • Salt, pepper & red chili flakes to taste

Chop everything finely or pulse in a food processor. Use it on mushroom steaks, cauliflower, burgers, grilled bread, or veggie skewers.


🍄 More Mushroom Recipes You’ll Love

1. Balsamic Garlic Mushroom Skewers

Marinate whole baby bellas in balsamic vinegar, olive oil, garlic, and Dijon. Skewer and grill until deeply caramelized.

2. Stuffed Portobellos

Fill large caps with spinach-feta mix, caprese toppings, or spicy black beans. Grill until hot and melty.

3. Mushroom Tacos

Grill sliced oyster or shiitake mushrooms with lime, garlic, and spices. Serve in warm tortillas with slaw and crema.

4. Miso-Glazed Mushrooms

Brush mushrooms with a glaze of white miso, soy sauce, sesame oil, and maple syrup. Grill until sticky and golden.

5. Mushroom "Bacon" Strips

Thin-sliced shiitakes or king oysters marinated in soy sauce, maple syrup, and liquid smoke—grilled until crispy.


🌶️ Blistered Peppers: The Perfect Charred Side

Grilled peppers bring color, smoke, and spice to your plate.

How-To:

  • Lightly oil whole poblano, shishito, or serrano peppers

  • Grill directly over high heat, turning until blistered and charred

  • Steam poblanos in a covered bowl for 10 minutes, then peel

Serving Ideas:

  • Slice poblanos for tacos or burgers

  • Serve shishitos whole with sea salt as a snack

  • Chop serranos into salsas or sprinkle onto grilled veggies


🧄 Roasted Garlic: Spreadable Gold

Sweet, caramelized roasted garlic is a BBQ secret weapon.

How-To:

  • Slice the top off a garlic head

  • Drizzle with olive oil, wrap in foil

  • Grill over indirect heat for 30–40 minutes

  • Squeeze out the soft cloves and spread onto buns, burgers, or grilled veggies


🌿 Fresh Herb Basting Bundles

Skip the silicone brush—grab a bunch of rosemary, thyme, oregano, or sage, tie it with twine, and dip it in oil or marinade.

Why It Rocks:

  • Adds aromatic, natural flavor

  • Creates a rustic presentation

  • Infuses oil with fresh herbs as you grill

Pro Tip:
Soak the bundle briefly in water first to reduce burning. Great for brushing mushrooms, cauliflower, and zucchini.


💡 Bonus Marinade Ideas

🍁 Sweet & Spicy Maple Glaze (for tofu or carrots)

  • 2 tbsp maple syrup

  • 1 tbsp soy sauce

  • 1 tsp sriracha

  • 1 tsp rice vinegar

  • 1 tsp sesame oil

🍋 Lemon-Herb Marinade (for eggplant or squash)

  • ¼ cup olive oil

  • 2 tbsp lemon juice

  • 1 tsp oregano

  • 1 garlic clove

  • Salt & pepper


🔥 Final Thoughts

Vegetarian BBQ isn’t just a compromise—it’s an upgrade. With bold marinades, smoky techniques, and fresh seasonal produce, you can build a cookout menu that’s as hearty and crowd-pleasing as any meat-filled grill. Whether you’re flipping black bean burgers, basting mushrooms with rosemary bundles, or serving up a roasted garlic-topped cauliflower steak, you're bringing big-time flavor to the table.

So grab your tongs, light the grill, and make this summer a celebration of plant-powered perfection. 🌽🔥🍄

Welcome to Bacon-n-Bourbon, where BBQ meets bourbon, and every dish tells a story of passion, flavor, and creativity. Founded by Jeremy and Jennifer, we’re a husband-and-wife duo with over 40 years of combined experience in the restaurant and hospitality industry. Our shared love for great food, exceptional cocktails, and bold flavors inspired us to create a catering company that celebrates smoked meats, BBQ, and bourbon-infused culinary delights.

Bacon-n-Bourbon

Welcome to Bacon-n-Bourbon, where BBQ meets bourbon, and every dish tells a story of passion, flavor, and creativity. Founded by Jeremy and Jennifer, we’re a husband-and-wife duo with over 40 years of combined experience in the restaurant and hospitality industry. Our shared love for great food, exceptional cocktails, and bold flavors inspired us to create a catering company that celebrates smoked meats, BBQ, and bourbon-infused culinary delights.

Back to Blog