For easy clean-up, line your slow cooker with a cooking bag.

Break chopped chuck into small pieces and place in slow cooker. Add beans and salsa verde.

Cover and cook on low for 6 - 8 hours.

Stir in corn in the last few minutes of cooking.

Divide lettuce among salad bowls. Using a slotted spoon, top lettuce with meat mixture.

Add desired toppings.