Strain oil from 2 tins of oysters and set aside. Do not discard.
Chop oysters well then return to oil.
Melt butter over medium heat.
Add chopped shallots, garlic, and red pepper flakes.
Sauté until fragrant, about 2 minutes.
Add heavy cream and parsley and stir until well incorporated.
Grate fresh parmesan to taste into the mixture.
Remove from heat.
Add oysters and their oil to the pan along with a squeeze of lemon and mix to incorporate.
Transfer to serving dish with crusty bread.
Top with additional parmesan and red pepper flakes to taste.
Serve immediately.
