Pulled Chicken On Pan Fried Corn Cakes

Ingredients

• ["To make the chicken:", "1/4 medium yellow onion, thinly sliced", "2 cloves garlic, minced", "1 teaspoon olive oil", "1 boneless chicken breast", "1 cup plain tomato puree", "1 1/2 cups full sodium chicken stock", "1/4 cup barbeque sauce", "1-2 teaspoons Tabasco Sauce (optional)", "5-6 dashes red wine vinegar", "1 teaspoon salt", "Freshly ground black pepper, to taste", "To make the corn cakes:", "1/2 cup Masarepa yellow corn meal (make sure package says \"Precooked\""!)""