Preheat oven to 350°.
Whisk flour, baking powder, salt, and garlic powder together in a small bowl.
In a larger bowl, beat eggs and sugar together using an electric mixer until pale and creamy. Slowly add melted butter, mixing until smooth. Add cream, buttermilk, creamed corn, and green chiles while still mixing on low until smooth and creamy.
Slowly add flour mixture and mix until just combined. It should resemble cornbread batter.
Butter a 11 x 13 inch baking dish. Pour batter into the pan and place in oven.
Bake for 40 to 45 minutes hour, until the center is set.