No Thanksgiving table spread is complete without green bean casserole. I'd happily pass on stuffing, mashed potatoes, even corn pudding. But hot, cheesy, umami-packed legumes? That's a non-negotiable ...

For the topping, Martha mixes ketchup, dry mustard, and brown sugar, which is then brushed over the meatloaf. She places the pan in the oven and says to cook the meatloaf until a thermometer inserted ...