Mushroom Bourguignon

Ingredients

• 2 lb mixed mushrooms (cremini portobello), thickly sliced
• 3 tbsp olive oil
• 2 tbsp butter
• 1 onion
• 2 carrots diced
• 1 cup pearl onions
• 3 clove garlic
• 2 tbsp tomato paste
• 2 tbsp flour
• 1 1/2 cup dry red wine
• 1 1/2 cup vegetable broth
• 1 tbsp soy sauce
• 2 sprig thyme
• 1 bay leaf