"It was just the meat and the cheese," she says. "We love tacos at our house, so I had to come up with a way to get some vegetables in there."
To incorporate tomatoes—which her son Julian says he hates—Jessica cooks the ground turkey or beef in tomatoes first. Then, she adds sweet potato puree and lets the ingredients cook together. Sweet potatoes are rich in beta-carotene and other antioxidants.
One night, Jessica says Julian was eating a taco while telling her about his hatred of tomatoes. "I just see this tinge of red, [and I said], 'I know you hate tomatoes, don't you?'" she says.