Salisbury steak with garlic mashed potatoes and mushroom & onion gravy

### Garlic Mashed Potatoes:
#### Ingredients:
– 4 large potatoes, peeled and cubed
– 4 cloves garlic, minced
– 1/2 cup milk
– 4 tbsp butter
– Salt and pepper to taste

#### Instructions:
1. Boil the potatoes in a large pot of salted water until tender, about 15-20 minutes.
2. In a small saucepan, heat the milk, minced garlic, and butter over low heat until the butter is melted and the mixture is warm.
3. Drain the potatoes and return them to the pot. Mash the potatoes and gradually add the warm milk mixture until you reach your desired consistency.
4. Season with salt and pepper to taste.