Drunken Monkey Bread

Name: Drunken Monkey Bread
Ingredients: 1 cup milk, warmed to 105-115ºF; 1 tablespoon instant yeast; 2 to 2 1/2 cups (9 to 11.25 ounces) all-purpose flour; 2 cups (9 ounces) bread flour; 2 tablespoons granulated sugar; 2 teaspoons kosher salt; 3 large eggs (about 1/2 cup); 1/2 cup (1 stick) unsalted butter, melted and cooled to lukewarm; 6 tablespoons (3/4 stick) unsalted butter, cut into pieces; 2/3 cup packed light brown sugar; 1 ripe banana; 1/4 cup heavy cream; pinch fine sea salt or fleur de sel; 3 tablespoons bourbon (substitute 2 teaspoons vanilla if desired); 1 cup granulated sugar; 2 teaspoons ground cinnamon; 1/4 cup (1/2 stick) unsalted butter, melted and cooled to lukewarm; 1/4 cup pecans, lightly toasted and coarsely chopped (optional)