Yorkshire Pudding with Beef

Directions

1. 1
   Heat oven to 425?.
2. 2
   Put butter and oil in 13x9 inch pan.
3. 3
   Put in oven to melt and warm pan.
4. 4
   Meanwhilie, in saucepan, melt 3 tablespoons margarine.
5. 5
   Remove from heat.
6. 6
   Meanwhile beat eggs in medium bowl with whisk.
7. 7
   Add flour in 4 additions.
8. 8
   Stir in 2 to 3 tablespoons of melted margarine from saucepan and salt.
9. 9
   Pour batter into hot baking pan.
10. 10
    Bake for 10 minutes.
11. 11
    Reduce heat to 350?
12. 12
    and bake for 5 minutes longer until fluffy and brown around edges and firm.
13. 13
    Meanwhile, cook onion in 1 tablespoon remaining margarine in saucepan.
14. 14
    Add beef, gravy and mixed vegetables until vegetabes are tender, 10 minutes.
15. 15
    Spoon meat mixture over baked batter and serve.