Preheat the oven to 350°F.

Mix the bisquick with 1 cup of water. Pour into a 9x13" Casserole dish, sprayed with cooking spray.

Bake in the oven for 15 minutes then remove.

While the biscuit layer is baking add the ground beef to a large skillet and brown until no pink remains.

Add the taco seasoning and remaining ½ cup water. Cook for 5 minutes.

Spoon over the top of the biscuit layer using a slotted spoon, pushing down if necessary.

Discard the grease that's left then add the diced onion, bell peppers and tomatoes and chilies to the same skillet. Cook until softened.

Layer on top of the taco meat.

In a mixing bowl add the cream cheese, mayonnaise and 1 cup of cheese and mix well.

Spread over the top of the bell pepper mixture, evenly.

Add some slices of jalapeno then sprinkle the remaining cheese over the top.

Bake in the oven for 35 minutes, until bubbly around the edges.

Remove and allow to rest for 5 minutes then serve.