How to prepare an exquisite homemade chicken sandwich

Ingredients

2 tablespoons of butter, for the filling
1/2 cups onion, finely chopped, for the filling
1 tablespoon garlic, finely chopped, for the filling
1 cup of poblano rajas, for the filling
3/4 cups of corn kernels, for the filling
2 1/2 cups chicken breast, cooked and shredded, enough salt and pepper for the filling
4 poblano chiles, for the cream
1 cup of whipping cream, for the poblano cream
1/4 cups of fresh cilantro, for the poblano cream
3 cream cheeses, for the cream, 190 gc/u
9 slices of boxed bread, without edges.