Plant-Based Big Mac Casserole – Vegan, Gluten-Free & Loaded with Flavor

Vegan & Gluten-Free Big Mac Casserole – A Comforting Plant-Based Twist

If you’re craving the iconic flavors of a Big Mac but want a healthier, plant-based, and gluten-free alternative, this Vegan & Gluten-Free Big Mac Casserole is just what you need! This delicious, dairy-free, and meat-free take on a classic burger-inspired dish is loaded with all the savory goodness—minus the gluten and animal products.

Perfect for busy weeknights, meal prep, or family dinners, this easy-to-make casserole is creamy, cheesy, and packed with all the textures and flavors you love. Best of all, it’s topped with a homemade vegan “Big Mac” sauce that takes it to the next level!

So grab your casserole dish, and let’s make a delicious, plant-based comfort food classic.

Why You’ll Love This Vegan Big Mac Casserole

✔ 100% Vegan & Dairy-Free – No meat or dairy, but still packed with flavor.
✔ Gluten-Free – Perfect for those with gluten sensitivities.
✔ Easy to Make – A simple, hearty meal the whole family will enjoy.
✔ Packed with Flavor – A creamy, tangy, and savory taste just like a Big Mac!
✔ Great for Meal Prep – Make it ahead of time and enjoy leftovers all week.

Ingredients Needed for Vegan & Gluten-Free Big Mac Casserole

For the Vegan “Big Mac” Sauce:

• Vegan mayo
• Yellow mustard
• Ketchup
• Sweet relish
• White vinegar
• Paprika
• Onion powder
• Garlic powder
• Salt

For the Casserole:

• Homemade “Big Mac” Sauce (recipe above)
• Plant-based ground meat (Gardein, Impossible, or Beyond Beef)
• Tater tots
• Vegan cheddar shreds
• Shredded lettuce
• Hamburger dill pickles, chopped
• Red onion, diced or thinly sliced
• Roma tomatoes, diced

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How to Make Vegan & Gluten-Free “Big Mac” Casserole

Step 1: Preheat the Oven

• Preheat your oven to 400°F (200°C) to ensure it’s ready when your casserole is assembled.

Step 2: Make the Vegan Big Mac Sauce

• In a medium bowl, whisk together:
  • Vegan mayo
  • Mustard
  • Ketchup
  • White vinegar
  • Sweet relish
  • Onion powder
  • Paprika
  • Salt
  • Garlic powder
• Mix well until smooth, then set aside.

Step 3: Cook the Plant-Based Meat

• In a large sauté pan over medium heat, brown the vegan meat alternative until fully cooked.
• Remove from heat and stir in most of the Big Mac sauce, leaving some for drizzling later.

Step 4: Assemble the Casserole

• Lightly spray a casserole dish with cooking oil.
• Spread the meat mixture evenly across the bottom of the dish.
• Sprinkle a layer of vegan cheddar shreds on top.
• Add tater tots, arranging them in an even layer over the cheese.

Step 5: Bake the Casserole

• Place the casserole in the preheated oven.
• Bake for 30-40 minutes, or until the tater tots are crispy and golden brown.

Step 6: Add Fresh Toppings

• Remove the casserole from the oven and immediately top with:
  • Shredded lettuce
  • Chopped hamburger dill pickles
  • Diced red onion
  • Diced Roma tomatoes

Step 7: Drizzle with Extra Big Mac Sauce & Serve

• Drizzle the remaining Big Mac sauce over the casserole.
• Serve immediately and enjoy this warm, cheesy, and flavor-packed dish!

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