Grilled Cauliflower Hummus Sandwich - The Foodie Dietitian | Kara Lydon

Ingredients

• 1 large head cauliflower, cut into florets
• 6 tablespoons olive oil, divided
• 1/8 teaspoon salt
• 1/8 teaspoon pepper
• 1 yellow onion, thinly sliced
• 3 1/2 tablespoons tahini
• 2 tablespoons lemon juice
• 1 clove garlic
• 1/2 teaspoon salt
• 4 slices sourdough bread
• 1 avocado, sliced
• 1 cup arugula (not packed)
• 2 tablespoons vegan buttery spread