Place cream cheese, cheddar cheese, eggs, spices, & heavy cream in a blender. Blend until frothy and until the mixture isn’t lumpy.
Spread ground beef and chili peppers on a well-greased cast iron pan.
Pour cream cheese mixture over meat & chilies.
Place in a medium-high heat Bull Grill that has been preheated to 350°F.
Turn center burners to low and place cast iron pan in the middle. Leave outside burners on medium-high.
Cook for 20-25 minutes or until the top of the casserole is golden brown. Rest for 10 minutes before slicing.