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roasted cauliflower grilled cheese

Roasted Cauliflower Grilled Cheese


This hearty Roasted Cauliflower Grilled Cheese is stuffed with melty cheese, caramelized onions, and thinly sliced, crispy roasted cauliflower. Perfect for your next working-from-home lunch or easy dinner.



1/2 small onion, sliced

2 tbsp olive oil, divided

1 cup cauliflower florets sliced into 1/2 inch pieces (like mini cauliflower steaks)

1 clove garlic, minced

~2 tsp mayo

Fresh basil leaves (about 6), chopped

4oz thinly sliced sharp cheese (such as old cheddar)

4 sliced whole grain bread


  1. Place cauliflower florets on a parchment-lined sheet pan. Drizzle cauliflower with 1 tbsp olive oil and roast at 425F until edges have browned and softened. You should be able to easily pierce the florets with a fork.
  2. Meanwhile, heat olive oil in a small pan over medium heat. Add onions to the pan and sauté until browned. 
  3. Make the garlic mayo by combining garlic, mayo, and basil in a small bowl. Season with salt and pepper, to taste. 
  4. Once your ingredients are prepped, assemble the sandwiches by first spreading a thin layer of garlic mayo on one side of each slice of bread. Add a thin layer of cheese, cauliflower, and onions. Finish with another layer of cheese and the second slice of bread. 
  5. Grill sandwiches on a panini press or pan with butter until both sides of the sandwich are lightly browned and the cheese has melted. 
  • Prep Time: 10
  • Cook Time: 25
  • Category: Entree
  • Method: Stove top
  • Cuisine: Canadian

Keywords: grilled cheese, cauliflower, roasted vegetables