If you’ve got the dough, hot pies at home could be a piece of cake. General Electric recently announced their nearly $10,000 Monogram Pizza Oven, an indoor electric wall-oven capable of reaching upwards of 800 degrees Fahrenheit in about 30 minutes. The oven goes on sale in September.

But is it worth $9,900? To find out, Spread Sheet compared the average U.S. pizza consumption to some notable slices. According to a 2015 report from market research firm Packaged Facts, the average U.S. household eats roughly 49 slices of pizza...