Grilled Portabella Burgers with Garlic Mayo | Giorgio Fresh Mushrooms

Ingredients

• 2 teaspoons chili powder
• 1 teaspoon dark or light brown sugar
• 1 teaspoon fine sea salt
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon smoked paprika
• ½ teaspoon ground black pepper
• 1/3 cup extra virgin olive oil