Baked Cheesy Portobello Mushroom Sandwich
Stuffed portobello mushroom topped with melted baked cheese and sandwich between delicious wholemeal bread. This Baked Cheesy Portobello Mushroom Sandwich recipe is shared by home cook Jessie Koey. Jessie is a passionate home cook who shares and blogs about her signature recipes.
Servings Prep Time
2pax 15minutes
Cook Time
Servings Prep Time
2pax 15minutes
Cook Time
  • 2 portobello mushroomlarge size
  • 1tbsp corn flour for dusting
  • 4slices tomato
  • 4slices coral lettuce
  • 4slices Sunshine Low Sugar Smart-Carb Bread
Filling ingredients
  • 150g salmon filletremove bones and skin
  • 4tbsp fresh milk
  • 200g sweet potatodeskin and cut into cubes
  • ½ white onionminced, big size
  • ½ egg white
  • 50g mozzarella cheese
  • 1tsp italian mixed herbs
  • 2tbsp salted butter
  • ¼tsp salt
  • tsp coarse black pepper
  • 100g mozzarella cheese
Step 1: Boil the sweet potato
  1. Boil the sweet potatoes for 25 mins till it is soft enough to be mashed. By boiling the sweet potato helps to reduce the GI as compared to steaming or baking it.
  2. Switch off the fire and leave inside the pot with water till it’s ready to be used.
Step 2: Prepare the mushroom
  1. Place the mushroom on the baking sheet.
  2. Remove the stem of the mushroom, rinse and pat dry. Dust some corn flour on the mushroom. Set aside.
  3. Step 3: Cook the salmon
  4. Place the salmon in a microwaveable bowl. Pour milk over it. Cling wrap and punch a few holes. Microwave for 3 mins or until the salmon is cooked through. By cooking salmon in milk helps to reduce the fishy smell of salmon.
  5. Drain the milk away.
Step 4: Prepare the filling and spread it on the mushroom
  1. Preheat the oven at 200 degree Celsius.
  2. In a large bowl, place salmon and add in the boiled potato as well as the remaining ingredients for the filling.
  3. Mash the ingredients using a fork and mix evenly.
  4. Scoop 1 portion of the filling and spread it generously on the mushroom.
  5. Top with mozzarella cheese.
  6. Baked for 15 – 20 mins on the middle tray or until the mushrooms are cooked and the cheese turns golden brown. Here's a baking tip for gorgeously baked cheese, transfer the tray to the top to brown the cheese.
Step 5: Assemble and serve
  1. Build this Baked Cheesy Portobello Mushroom Sandwich with a slice of Sunshine Low Sugar Smart-Carb bread, coral lettuce, baked portobello mushroom, tomatoes and cover it with another slice of bread.