Hearty and delish, just the way I like it!

2 cups corn kernels (fresh, frozen, or canned and drained)
1 cup shredded cheddar cheese
1/2 cup grated Parmesan cheese
1 cup sour cream
1/4 cup melted butter
2 large eggs, beaten
1/4 cup finely chopped green onions
1/2 cup all-purpose flour
1 teaspoon baking powder
Salt and pepper to taste