To Make the Pumpkin Butter
Whip the softened butter in a mixer until smooth and fluffy; about a minute.
Add the pumpkin puree, maple syrup, spices, and sea salt. Beat just to combine.
Pack into a container and refrigerate.
To Make the French Toast
Butter a 9x13-inch baking dish, add cubed bread; set aside.
Whisk together the eggs, milk, cream, sugars, maple syrup, bourbon, pumpkin, vanilla, pumpkin pie spice, cinnamon, and sea salt. Pour the mixture over the bread. Cover with plastic wrap and refrigerate overnight.
Preheat oven to 350 degrees.
Remove the plastic wrap and scatter the pecans over the top.
Place in the oven and bake for 45 minutes
Remove form the oven and let cool for about 5 minutes before serving.
Top with a scoop of Pumpkin butter and maple syrup (or powdered sugar if preferred).