Asiago Quiche Cups

Name: Asiago Quiche Cups
Ingredients: 3 teaspoons olive oil, divided; 1/4 cup chopped onion; 1 large tomato, peeled and chopped; 1/2 teaspoon mustard seed; 1/2 teaspoon dried thyme; 1/2 teaspoon cinnamon; 1/2 tablespoon molasses; 1 tablespoon red wine vinegar; 1 pinch chili pepper flakes; 3/4 teaspoon salt, divided; 1 large potato, peeled; 2/3 cup heavy cream; 2 eggs; 4 ounces reduced fat cream cheese, softened; 3/4 cup grated asiago cheese; 1 teaspoon finely chopped fresh rosemary; 1/4 teaspoon freshly ground pepper; sour cream for garnish