Vegan Dollhouse - Vegan Mashed Potatoes and Gravy

Ingredients

• 3 pounds veggies (I used potatoes, broccoli, and cauliflower)
• ¼ cup vegan butter or margarine
• ¼ - ½ cup veggie broth or unsweetened, unflavored non-dairy milk
• 1 teaspoon salt
• ½ teaspoon pepper
• 2 tablespoons olive oil
• 1 onion, finely diced
• 8 oz shitake mushrooms, finely diced
• 4 cloves garlic, minced
• ¼ cup soy sauce or tamari
• 1 ½ cups filtered water
• ¼ cup unbleached all-purpose flour