Deep Dish Taco Squares

Directions

1. 1
   Heat oven to 375°.
2. 2
   Grease a 9 x 13-inch dish.
3. 3
   Cook and stir beef until brown; drain.
4. 4
   Put in taco seasoning.
5. 5
   Mix sour cream, mayonnaise, cheese and onion and put aside.
6. 6
   Mix Bisquick and water until soft dough forms.
7. 7
   Pat into greased pan; press to 1/2 inch on sides of pan.
8. 8
   Layer beef, tomatoes and then green peppers in pan over dough.
9. 9
   Spoon sour cream mixture over top.
10. 10
    Bake until edges of dough are light brown, about 25 to 30 minutes.