Aglio e Olio with Oyster Mushrooms

Ingredients:
60ml extra virgin olive oil ⁣⁠
⁣ 8 glove garlic, thinly sliced
1 red pepper, sliced (optional)
⁣⁠ 250 g oyster mushrooms
⁣⁣ 1/2 cup (roughly) chopped parsley ⁣⁠
⁣⁣ 2 tablespoons of salted vegan butter
⁣⁣ 60g vegan parmesan
⁣⁠ 200 g spaghetti ⁣⁠
⁣salt + pepper, to taste
⁣⁣Instructions: