Roasting mushrooms gives them a great, meaty texture that is perfect for this grilled cheese sandwich. This takes more time, but – trust us – the flavor is far more intense.
Moxie soda is a beloved New England soft drink first created in 1876 as a medicinal beverage. It’s flavored with gentian root, giving it a bitter flavor, with hints of cola, root beer, and Dr Pepper, which is what you should substitute if you can’t find Moxie where you live. It’s the secret ingredient in these beans, giving them a complex, sweet, and fruity flavor.
You can vary the amount of water in this recipe in accordance with whether you want a proper soup or a more stewlike consistency.