Vegan Cauliflower Crust Pizza

Ingredients

• 2 tbsp (30 mL) ground flaxseed or chia seeds
• 4 c (428 g) cauliflower rice
• 1/4 c (30 g) whole-grain flour
• 2 tbsp (30 mL) nutritional yeast
• 1 tsp (5 mL) garlic powder
• 1/4 tsp (1.2 mL) onion powder (optional)
• 1 1/2 tsp (7.5 mL) Italian seasoning (optional)
• 1 tbsp (15 mL) tahini
• 1/2 c (120 mL) tomato or marinara sauce
• 6 button mushrooms, sliced
• 12 sun-dried tomatoes, chopped
• 6 olives, sliced
• 1/2 c (83 g) pineapple, chopped
• 1 c (30 g) spinach
• 1/2 bunch fresh basil (optional)