Stir once in a while. If your sauce starts sticking before the end of your cooking time, lower the heat if possible andor add a bit of stock or water. In the end, the sauce should be thick, more oil than water based and thick like oatmeal. Adjust the seasoning one last time dont be afraid of adding more salt tasting each time you add some, it is this recipes key seasoning. Simmer the bolognese sauce very slowly, half covered, for 4 hours on the lowest heat possible. Deer Roast Recipes In Oven. To serve Reheat the sauce. Mix in a knob or two of butter and about two generous tablespoons 3. Cook the pasta, drain it thoroughly and return to the pot. Spoon some sauce, just enough to coat the pasta. Serve in bowls with a few leaves of basil sprinkled on top and more freshly grated parmigiano reggiano, to taste.