Salt and pepper Brisket and brown on all sides in 2 tablespoons Olive Oil
Place in crock pot, add onion and garlic powder and the can of Guinness set on low for at least 8 hours
When done remove Brisket from crock pot and let rest on a plate saving the liquid in the pot for gravy.
While meat is resting in a saute pan med high heat melt 2 of the tablespoons of butter and brown sugar add baby carrots and turn to low, cover and simmer for 20 minutes. Making sure to move around so carrots don't get browned.
In another large saute pan heat the other two tablespoons olive oil and saute' Onion mushrooms and garlic. When tender add 2 tablespoons of butter and 2 tablespoon flour in pan to make a roux. cook for several minutes and add 2 cups of the reserved liquid from the crock pot. Cook until thickened. Salt and Pepper to taste. Serve on top of sliced brisket.
Cut brisket in half and slice the half for meal and serve with mushroom gravy. Reserve the other half of Brisket for Round 2 meal (Tex Mex black bean and brisket) to be posted in seperate recipie