Preheat oven to 350°F. Spray four (½-cup) ramekins with cooking spray.
In a bowl, stir together milk, pumpkin, egg, egg white, Splenda Stevia Sweetener, spices, and vanilla extract. Add bread cubes and toss to coat. Let sit for 10–15 minutes so bread absorbs liquid.
Divide mixture among prepared ramekins; top with chopped pecans. Place ramekins on a baking sheet and cover with foil.
Bake for 10 minutes. Remove foil and bake 10–15 minutes more or until firm to the touch. Serve warm or chilled.