Preheat oven to 375°F. Butter a 8x8 glass square dish.
In a large bowl, whisk together pumpkin, monk fruit, eggs, pumpkin pie spice, salt, and vanilla extract. Whisk in heavy cream until smooth. Pour into prepared dish and set aside.
In a medium bowl, whisk together baking blend, pecans, monk fruit , cinnamon, and salt. Add butter and stir with a fork until crumbly. (Can also beat with a hand mixer until crumbly)
Spread cinnamon streusel topping on top of pumpkin pie mixture in an even layer.
Bake until the filling is set and the top is golden brown, 40 to 45 minutes.
Let cool for 10 minutes, then serve warm.