Step 1

Preheat oven to 350F and grease a 9" x 13" baking pan.

Step 2

Place the olive oil into a frying pan over medium heat.

Step 3

Dice the yellow onion.

Step 4

Add the lean ground beef and diced onion to the frying pan. Sprinkle with salt and pepper. Break up meat while cooking. Cooked until browned.

Step 5

While meat cooking prepare sauce or gravy by melting the margarine with the onion powder and minced garlic over low heat.

Step 6

Whisk in the packets of gravy until well combined.

Step 7

Pour in the almond milk and beef broth. Whisk to combine.

Step 8

Turn heat to medium and stir occasionally until it comes to a boil. Remove from heat when it boils.

Step 9

While the meat continues to cook and the gravy is coming to a boil you can wash and slice the potatoes thinly. I left the skins on and used a mandoline slicer.

Step 10

When the meat is cooked add the frozen vegetables to the frying pan and stir to combine.

Step 11

Place a layer of potatoes in the bottom of the prepared 9" x 13" baking pan.

Step 12

Follow with 1/2 of the meat mixture and 1/3 of the gravy.

Step 13

Place a layer of potatoes on top of the meat followed by the remainder of the meat mixture.

Step 14

Use another 1/3 of the gravy (sauce). Reserve the last 1/3 of the gravy for serving in case people enjoy extra gravy.

Step 15

Cover with tinfoil and place in the preheated 350F oven for 60 minutes.

Step 16

Uncover and return to oven for 30 minutes more.

Step 17

Near end of bake time grate the cheddar cheese and reheat remaining gravy.

Step 18

Remove casserole from oven and turn broiler on.

Step 19

Sprinkle top of casserole with the grated cheese and place under broiler until the cheese bubbles and browns to your liking.

Step 20

Remove from oven.

Step 21

Serve with extra gravy if desired.

Step 22

Enjoy!