01 -
Chop the onions into quarters, cut the carrots into large chunks, and halve the potatoes.
02 -
Heat oil in a skillet over medium-high heat and brown each side of the chuck roast for about 4 minutes per side until an even golden crust forms.
03 -
Arrange the quartered onions in the bottom of the slow cooker, followed by the carrots and potatoes.
04 -
Generously season both sides of the seared roast with salt, pepper, thyme, and rosemary, then place it atop the vegetables in the slow cooker.
05 -
Pour the beef broth evenly over the meat and vegetables until just covered. Cover with the lid.
06 -
Cook on low for approximately 8 hours or on high for about 4 hours, until the roast is tender and the vegetables are cooked through.