Step 2: Prepare ingredients.

Step 3: Peel, wash and slice the sweet potato.

Step 4: Thaw, wash and control the water.

Step 5: When the rock sugar melts to more than half, add the potato chips.

Step 6: Boil for bubbles, and turn off the fire in time to prevent overflow.

Step 7: Wait until the potato chips are cooked, and put in the south clams.

Step 8: Add Lycium barbarum when boiling again, and you can eat it out of the fire.