Chicken Divan, Lightened Up

Ingredients

• 1-1/2 lbs broccoli florets, (3 large heads) chopped
• 4 cloves garlic, crushed
• olive oil spray
• 2 tablespoons light mayo
• 3 boneless skinless chicken breasts, 8 ounces each
• kosher salt
• fresh ground pepper
• 1 tablespoon butter
• 2 teaspoons extra virgin olive oil, divided
• 1/4 cup shallots or onion, minced
• 1/4 cup all purpose , or gluten-free flour like cup4cup
• 1 cup chicken broth
• 1 cup fat free milk
• 2 ounces dry sherry, white wine would work
• 6 ounces reduced-fat Swiss cheese, shredded or chopped fine
• 1/4 cup grated Parmesan cheese
• 1/4 cup seasoned whole wheat breadcrumbs