1In 4-quart Dutch oven, melt 2 tablespoons of the butter over medium-high heat. Add shallot and bacon; cook until bacon is thoroughly cooked.
2Add wine; heat to boiling and cook until reduced by half. Add garlic and both chiles; cook 1 minute, stirring frequently. Add chicken stock and corn cobs; cook about 10 minutes or until liquid is reduced by half.
3Remove and discard corn cobs. Add corn kernels; simmer over medium heat, stirring frequently. Stir in remaining tablespoon butter. Add tomatoes, chopped cilantro and lime juice; stir gently. Season to taste with salt and pepper. Serve stew in bowls, garnished with cilantro leaves.