Step 1: Prep the Roast:Season the chuck roast generously with salt and pepper and place it in a crockpot or slow cooker.
Step 2: Prepare the Sauce:In a small bowl, combine the three dry mixes: Italian seasoning, Ranch seasoning, and brown gravy.Pour in 1 cup of water and whisk to mix all of the ingredients together until smooth.
Step 3: Add to Crockpot: Pour the prepared sauce over the top of the roast. If using the optional ingredients, add the baby potatoes, baby carrots, and chopped onions to the slow cooker, arranging them around the roast.
Step 4: Cook:Set the slow cooker to high and cook for 4 hours. Continue to baste the roast with the sauce occasionally throughout the cooking time to ensure all the flavors meld together.
Step 5: Serve: Check to make sure the roast is fork-tender and the vegetables are fully cooked before serving. Enjoy your tender and flavorful pot roast!