Pesto Roasted Hake with Heirloom Tomatoes - A Zest for Life

Ingredients

• 1 1/2 pounds hake fillet (choose a thick cut )
• 2 tablespoons basil pesto
• 2 tablespoons mayonnaise (preferably one without "natural flavorings")
• 1 teaspoon grated garlic (finely minced or grated )
• 2 tablespoons parmesan reggiano cheese (finely grated )
• 2 medium heirloom tomatoes (about 3" wide )
• 4 slices sweet onion (peeled, 1/2 inch wedges; such as vadalia )
• 4 slices red onion (peeled, 1/2 inch wedges; or shallot )
• 1/4 teaspoons red chili flakes (try Sichuan chili flakes )
• 3 teaspoons extra virgin olive oil
• 2 pinches salt & pepper
• 2 tablespoons small basil leaves ((for garnish) )