01 -
Preheat the oven to 180°C.
02 -
Heat a large skillet over medium-high heat. Add the ground beef, breaking it apart as it cooks. Sauté until browned and fully cooked, then drain excess fat.
03 -
In a mixing bowl, combine biscuit mix with water and mix by hand until just blended. Lightly coat a 23 x 33 cm casserole dish with cooking spray. Press the dough evenly across the bottom. Bake for 5–8 minutes until set and lightly golden. Keep the oven on.
04 -
Stir chopped onion and red bell pepper into the cooked beef. Sauté for 4 minutes until softened. Add taco seasoning and toss to coat. Remove from heat.
05 -
Distribute the beef and vegetable mixture evenly over the baked biscuit layer.
06 -
In a separate bowl, mix sour cream, mayonnaise, drained green chiles, 90 g shredded cheese, and garlic powder until smooth.
07 -
Gently spread the sour cream mixture over the beef layer in the casserole dish.
08 -
Dot the surface with spoonfuls of salsa, followed by sprinkling the remaining shredded cheese evenly over the top.
09 -
Return the casserole, uncovered, to the oven. Bake for 30 minutes, or until bubbling and golden.