Plant-Based Veggie Pot Pie With Biscuit Topping

Name: Plant-Based Veggie Pot Pie With Biscuit Topping
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Cuisine: American
Ingredients: 1 Onion (finely-chopped); 2 Carrots (diced); 2 Potatoes (diced); 2 Celery ribs (chopped); 1/2 Head of cauliflower (broken into bite-sized pieces); 1/2 cup Mixed frozen veggies (peas, corn, green beans, etc.); 3 tbsp Butter substitute; 2 tbsp All-purpose flour; 3 cups Veggie stock; 1/2 cup Unsweetened almond milk ((for sauce/gravy)); 2 tbsp Nutritional yeast; Salt and pepper (to taste); 1/2 tsp Rosemary; 1/2 tsp Thyme; 2 1/4 cups Bisquick; 2/3 cup Unsweetened almond milk ((for biscuit topping))