Fix mixer with dough hook and generously spray hook with nonstick cooking spray. Mix 5 cups flour, yeast, and salt on low speed until combined, about 5 seconds. Slowly add
pineapple juice mixture, followed by brown sugar, egg, vinegar, and vanilla and knead on LOW until dough starts to pull away from the bowl, about 2 minutes. Increase speed to MEDIUM-LOW (dial 4) and knead until for approximately 5 to 7 minutes or until dough is smooth and elastic. (Dough should clear sides of bowl but will stick to bottom but WILL BE STICKY, add up to 1/2 cup more flour if needed for dough to clear bowl.)