Easy Mushroom Gravy {Vegan, Gluten-Free} - The Blender Girl

Ingredients

• 2 tablespoons extra-virgin olive oil
• 1 cup (150g) diced yellow onion
• 1/2 tablespoon finely chopped fresh thyme, plus more to taste
• 2 teaspoons minced garlic (2 cloves)
• 3 cups (120g) sliced shiitake or cremini mushrooms (or white button mushrooms)
• 1 1/2 tablespoons wheat-free tamari
• 1/8 teaspoon freshly ground black pepper, plus more to taste
• 1 cup (240ml) Massel vegetable broth, plus more to taste
• Celtic sea salt, to taste