lightly season both sides of chuck roast with salt and pepper. in a saute pan, heat olive oil over medium high heat and brown all sides of the roast (using tongs to turn meat). add to crock pot.
add all sauce ingredients to a small pot and heat until bouillon cube is melted.
Pour sauce over meat and veggies. cover and set crock pot on low for 10 hours.
take meat out of crock-pot and place on a cutting board. remove excess fat and either shred with two forks OR leave in big chunks. (if you are adding cornstarch to the broth, take out veggies as well and add cornstarch to crock-pot. stir) Add salt and pepper to taste.
you can add beef back to crock pot and stir OR start plating and top vegetables with beef to customize your macros. serve and enjoy!