Chop the onion and garlic whit the Chop'N Prep.
Put the oil in the 3L Tupperwave Stack cooker
Cook the garlic and onion in the micro wave for 2-3 minutes.
Chop the tomato in the power chef.
Add the tomato mixture and seasonings into the 3L Tupperwave.
Cook the sauce for 10 minutes in the microwave.