Ingredients Cooking spray 1 tablespoon unsalted butter 3/4 cup chopped yellow onion 4 garlic cloves, chopped 3/4 cup unsalted vegetable stock (such as Swanson) 12 ounces fresh broccoli florets, cut into 1/2-in. pieces 1 (8.8-oz.) pkg. precooked brown rice (such as Uncle Ben’s) 1/4 cup whole-wheat panko (Japanese breadcrumbs) 1 tablespoon grainy mustard 1/2 teaspoon […]