Preheat oven to 350 degrees and spray cooking oil spray in a 9x13 casserole dish or prepared baking dish.
Cook the ground beef in a Dutch oven or cast iron skillet over medium heat. and season the ground beef with chili powder, sea salt, and black pepper.
Add the chopped bell pepper and salad to the ground beef mixture and combine and simmer on low heat for ten minutes. Using a spatula, make sure to break up the ground beef really well, as it won't have to break down before we put the Texas Tamale pie into the oven. Simmer on low heat for 20-minutes.
In a small mixing bowl, add the two boxes of Jiffy cornbread mix, two cups milk, and two eggs, and stir until combined.
Pour half of the Jiffy cornbread mix into the bottom of the prepared casserole dish Texas Tamale Pie.
Add a layer of corn on top of the cornbread mixture into the baking dish.
Next, add a layer of sharp cheddar cheese to the corn layer.
Pour the prepared ground beef mixture onto the cheese layer.
Next, add a layer of black olives, more fresh corn, and fresh cilantro
Pour the remaining Jiffty cornbread mixture on top and add more shredded sharp cheddar cheese.
Bake in the oven at 350 degrees for 50-60 minutes until the top is bubbly and golden brown. Slice and top with sliced avocado and sour cream and enjoy!