HEAT Dutch oven, filled halfway with oil, over medium heat to 350°F.
COMBINE tomato, onion, chopped cilantro, lemon juice and garlic in small bowl. Season with salt and pepper.
COMBINE sour cream and cumin in small bowl.
FORM wontons, using tongs, into shape of taco shell and fry until light golden-brown, about 1 to 2 minutes.
Transfer to paper towel-lined plate. Repeat with remaining wontons.
HEAT 2 teaspoons oil in large skillet over medium-high heat. Add sausages and cook, stirring occasionally, until fully heated through, about 3 to 5 minutes.
FILL each fried wonton with two to three sausages and top with tomato mixture, sour cream mixture and cilantro leaves. Serve with lime wedges.