1 cup quinoa
1 head broccoli, cut into florets and finely chopped
2 tablespoon olive oil, divided
1/3 cup Panko*
3 boneless, skinless thin-sliced chicken breasts
Kosher salt and freshly ground black pepper, to taste
2 tablespoons unsalted butter
2 tablespoons all-purpose flour
2 cups 2% milk
1 1/2 cups shredded cheddar cheese, divided
1/3 cup Greek yogurt