Shopping list

Ingredients

0 of 13 gathered

• 1 yellow onion
• 3 portobello mushroom caps (about ½ lb.)
• 2 Tbsp butter
• 1/8 tsp salt
• 1/8 tsp freshly cracked black pepper
• 1/4 tsp dried thyme
• 1/4 tsp dried oregano
• 2 cups vegetable broth*
• 1 Tbsp soy sauce
• 1/2 Tbsp brown sugar
• 1/8 tsp garlic powder
• 4 6-inch French or Hoagie rolls
• 4 slices provolone