While boiling the linguini, Garten sautees red onion in some butter and oil. Once tender, Garten likes to add a lot of garlic and red pepper flakes. “Give it a little bit of heat,” she said.

This summery, fresh tomato sauce is bursting with the sweetness of ... Heat the olive oil in a large frying pan over a low heat. Add the garlic and cook, stirring occasionally, for about 2 minutes ...