Shredded Beef Shepherd's Pie

Ingredients
2 cups beef broth
2 tlbs flour
2 1/2 cups shredded pot roast
250 grm frozen peas and carrots, thawed
1/2 tsp dried oregano
1/2 kg prepared mashed potatoes 
Paprika, for sprinkling

Method
1. Heat oven to 180 degree C. 
2. Coat a 1-1/2-quart casserole with nonstick cooking spray. 
3. Whisk beef broth and flour together in a medium-size saucepan. Heat until simmering, about 4 minutes; simmer 1 minute or until thickened.
4. Stir in pot roast, thawed peas and carrots, and oregano. 
5. Spoon mixture into prepared casserole.
6. Heat potatoes, Spoon over top of meat mixture; sprinkle potatoes with a little paprika. 
7. Bake at 180 degree C for 30 minutes. Let stand 15 minutes before serving.