After all, unlike pizza chains that might charge several dollars more for extra toppings, Costco's combo pizza cost the same ...

This recalls Costco's former combo pizza, which included onions and other toppings. Chopped onions and combo pizza met an ...

This stacked combination of three ... and then top it with an entire pizza slice's worth of cheese. If that weren't enough, the creator then returns to Costco's toppings bar to add ketchup ...