This is sensational. If you are concerned about the heat from the jalapeno chilies, disgard the seeds.
Place cobs in large sauce pan, set kernels aside.
Simmer 1 hour, stirring occasionally. Strain through sieve set over large bowl, pressing on solids with back of spoon. Set corn stock aside. Cook sausage in heavy skillet over medium heat until cooked through, turning occasionally. Melt butter in sauce pan over medium heat.