To make this wholesome inexperienced bean casserole, begin by gathering the substances. You will want yellow onions, olive oil, breadcrumbs, flour, salt, inexperienced beans, unsalted butter, child bella mushrooms, pepper, vegetable broth, minced garlic, and parmesan cheese.
And when you’re in prepping mode, go forward and preheat the oven to 425 F and spray a big baking sheet with nonstick cooking spray.
