In a medium bowl, whisk together coconut milk, broth, peanut butter, curry paste, soy sauce, honey, ginger, and garlic.
Place beef in the slow cooker and pour the coconut mixture over the beef. Stir to coat.
Place cover on the slow cooker and cook on low for 6 hours.
After 6 hours, whisk together the cornstarch and warm water. Add the veggies to the slow cooker. Stir in the cornstarch mixture. Cover and cook for an additional 1-2 hours.
Season with salt, if needed, and serve with cooked rice.