Mix together 1 cup flour, 1/4 cup sugar, 1/2 cup softened butter, 1/4 tsp vanilla, pinch of salt.
Press into the bottom of a 9x9 inch pan or 9inch spring form pan. Set aside.
Mix together with a large spoon: 3 cups finely chopped rhubarb, 1/2 cup sugar, 2 tbs flour, 1/2 tsp salt, 1 tsp vanilla.
Layer rhubarb mixture on top of crust and bake at 375℉ for 25-30 minutes.
Meanwhile, mix with a whisk or beater: 12-15 oz cream cheese, 1/2 cup sugar, 2 eggs, 1/4 tsp vanilla, pinch of salt.
When rhubarb/crust mixture is done baking, layer this cream cheese mixture on top and return to the oven, this time at 350℉ for 30 minutes or until cream cheese mixture is set.
Topping option one: Mix up 1 cup sour cream (or Greek yogurt), 2 tbs sugar, 1 tsp vanilla. Layer on top of hot cheesecake. Refrigerate for 6 hours before serving.
Topping option two: Chill your cheesecake and add whipped topping before serving.
Serving Suggestion: Serve with a side of vanilla ice cream.
Storing: Store in refrigerator for 5-7 days.