Cauliflower pizza

Ingredients

• 1 large cauliflower cut into small florets
• 30 ml (2 tablespoons) olive oil
• 2 1/2 ml (1/2 tsp.) garlic powder
• Salt
• pepper
• 5 ml (1 tsp.) Italian seasoning
• 250 ml (1 cup) marinara or pizza sauce
• 1/2 stick Lesters Original Pepperoni, sliced
• 250 ml (1 cup) grated mozzarella
• 1/4 green bell pepper, cut into strips (optional)
• 2 or 3 sliced white mushrooms (optional)