Rinse and drain mushrooms. Remove stems, reserving caps. Finely chop stems and set aside.
In a large non-stick pan, heat up oil and sauté chopped mushroom stems, PHUTURE™ Invincible Mince, spring onions, garlic, sage and black pepper until fragrant. Add in water and bring to boil. Turn down the heat to medium-low and cover. Cook until liquid evaporates. Stir frequently during cooking.
Stir in red bell pepper and cream cheese into mixture until melted. Remove from heat. Spoon cream cheese mixture into mushroom caps. Place stuffed mushroom on a baking tray and bake uncovered at 220°C for 9 to 12 minutes.