Kittencal's Cheesy Shepherd's Pie

This recipe is a regular in our house and is one of my family's favourite dinners --- I have listed some additions on bottom of the recipe that may be added to the ground beef mixture but that is only optional ---prep time does not include cooking the potatoes

• Ready In: 45 mins
• Serves: 6

Ingredients

• 1 (10 ounce) can  condensed cheddar cheese soup (undiluted and divided)
• 3  cups  hot russet mashed potatoes
• 1  lb lean ground beef
• 1  teaspoon dried oregano
• 1  small onion, chopped
• 1 -2  tablespoon  minced fresh garlic (or to taste)
• 1  tablespoon Worcestershire sauce
• 1 (10 ounce) can mushrooms, drained (use whole or sliced)
• 2  cups  shredded cheddar cheese (can use more or less)
• 1⁄3 cup parmesan cheese
• 2  cups  frozen mixed vegetables (your choice of veggies)
•  seasoning salt (to taste) or   white salt (to taste)
•  fresh ground black pepper (to taste)
• 1⁄3 cup  shredded cheddar cheese

Directions

1. Set oven to 400 degrees F.
2. Grease a 9 x 9-inch or an 11 x 7-inch square baking dish.
3. For potato topping; combine half a can of cheddar cheese soup with hot mashed potatoes; set aside.
4. In a fry pan brown ground beef with oregano, chopped onion and garlic; drain off fat, then stir in Worcestershire sauce, mushrooms, shredded cheddar cheese and Parmesan cheese.
5. Meanwhile cook mixed veggies according to package directions; drain well then add to beef mixture along with the remaining half of cheese soup.
6. Add in your choice of additions, then season with salt and pepper to taste; mix to combine and simmer uncovered for about 20-30 minutes over medium-low heat stirring occasionally.
7. Spoon meat mixture into greased pan; spread the hot mashed potato mixture evenly over top.
8. Bake for 25-30 minutes or until topping is light golden brown.
9. Sprinkle 1/3 cup shredded cheddar cheese on top then allow to melt.
10. ---------------------------------------------------.
11. ADDITIONS, use one or all of 3/4 cups good quality beef broth mix/wisked with 2 tablespoons flour (for a thicker ground beef mixture) -- one can cream style corn/ one tablespoon Dijon mustard -- 1/3 cup Heinz chili sauce or ketchup -- 1/2 package of dry onion soup mix -- 2 tbsp Kitchen Bouquet browning sauce OR 1-2 small packages beef bouillon powder.