Perfect pot roast requires slow cooking over low heat to ensure tender, flavorful meat in order to induce a maillard reaction. the maillard reaction is a chemical reaction between amino acids and reducing sugars that gives browned food its desirable flavor. serve this perfect pot roast with make-ahead mashed potatoes, sour cream mashed potatoes or garlic goat cheese mashed potatoes. also pairs well with garlicky roasted broccoli or sauted swiss chard.