Trim fat from tri-tip season with salt and pepper to taste, and place in your crockpot.
Sprinkle 1/2 bag of Lipton onion dry soup mix. Reserve remaining soup mix.
Add sliced onions and chopped garlic on top of tri-tip
Pour the can of beef broth over tri-tip and seasonings.
Add red wine
Seal (if your crockpot has this feature) crockpot and set to low for 8 hours or on high for 4 hours. Tri-tip is done when it shreds easily with two forks.
Carefully, remove tri-tip from your crockpot to a pyrex baking dish, cover with foil and allow to rest for 10-15 minutes.
Reserve all of the juice and remaining ingredients to a large measuring cup, cover with foil, and use as an au jus sauce or us it to make our delicious french dip recipe.