In a large skillet, heat 1 tablespoons of the oil and brown roast on both sides, seasoning with salt and pepper; remove to a platter and keep warm.
Add the remaining tbsp of oil to the pan and add the onions, cook until they just start to wilt then add the garlic, them cook until the onions are tender, a few minutes more.
Add the bouillon cubes to the hot water and stir to dissolve; add that to the skillet along with the beer, brown sugar, mustard, and vinegar; stir to mix well.
Pour mixture into the bottom of the crock pot.
Place roast on top of liquid, cutting into pieces if it doesn't lay flat.
Set the crock pot on low and cook for 7-8 hours.
Remove meat from crock pot and pour liquid into a pan on the stove; heat to a boil, and mix a slurry out of the cornstarch and water; thicken pan liquid with slurry to make a gravy.
Serve gravy over meat or with potatoes or noodles.

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Nutrition Facts

Per Serving Per 100 g

Amount Per 1 Serving
Calories	573.82 Kcal (2402 kJ)
Calories from fat	296.26 Kcal
		% Daily Value*
Total Fat	32.92g	51%
Cholesterol	151.92mg	51%
Sodium	1073.3mg	45%
Potassium	990.49mg	21%
Total Carbs	16.96g	6%
Sugars	7.53g	30%
Dietary Fiber	1.29g	5%
Protein	49.21g	98%
Vitamin C	7.6mg	13%
Iron	5mg	28%
Calcium	93.9mg	9%

Amount Per 100 g
Calories	94.61 Kcal (396 kJ)
Calories from fat	48.85 Kcal
		% Daily Value*
Total Fat	5.43g	51%
Cholesterol	25.05mg	51%
Sodium	176.96mg	45%
Potassium	163.31mg	21%
Total Carbs	2.8g	6%
Sugars	1.24g	30%
Dietary Fiber	0.21g	5%
Protein	8.11g	98%
Vitamin C	1.3mg	13%
Iron	0.8mg	28%
Calcium	15.5mg	9%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.

Tastes

salty
savory
bitter
sweet

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