01 -
Set a 6-quart Instant Pot to sauté on high. Add ground beef, frozen peppers, and onions. Cook, stirring occasionally, until beef is browned and cooked through. Drain excess grease and return contents to the pot.
02 -
Turn off the sauté setting. Pour in water and scrape the bottom of the pot to loosen any browned bits, preventing burn errors during pressure cooking.
03 -
Stir in tomato sauce, salsa, taco seasoning, garlic salt, and black pepper until fully combined.
04 -
Add uncooked shell pasta and drained kidney beans, pressing down to ensure pasta is submerged under liquid.
05 -
Secure the lid, set the valve to sealing, and cook on manual high pressure for 4 minutes. Perform a quick pressure release once done.
06 -
Carefully open the lid and stir in shredded cheddar until melted and evenly distributed. Serve immediately, optionally topped with green onions, sour cream, and crushed tortilla chips.