1-Pot French Onion Soup (Vegan!) - Minimalist Baker

Name: 1-Pot French Onion Soup (Vegan!) - Minimalist Baker
Cuisine: Mediterranean, French, European, Asian
Ingredients: 5 from; 2 votes; Servings; 2 (Bowls); 2 Tbsp oil or vegan butter (or sub twice the amount in water, plus more as needed to prevent sticking); 2 medium yellow onions, peeled + sliced into slightly larger than 1/4-inch rounds; 1 healthy pinch each salt and black pepper, plus more to taste; 2 cloves garlic, minced; 1 cup thinly sliced shiitake mushrooms (adds depth of flavor and a bit of texture // okay to omit); 1 Tbsp arrowroot starch or cornstarch (optional // or all purpose flour if not gluten-free); 2 bay leaves; 1 ½ tsp fresh thyme leaves, lightly chopped (or sub 3/4 tsp dried thyme); 4 cups vegetable broth (we prefer Pacific brand or DIY); 1 Tbsp coconut aminos (or sub half the amount with tamari as it’s saltier); 2 tsp miso paste (if soy-free, use chickpea miso // we like Miso Master brand); FOR SERVING optional; Croutons (see notes for )