01 -
Preheat oven to 375°F.
02 -
Mix pineapple juice, sugar, honey, mustard and spices.
03 -
Simmer glaze 15-20 minutes until thick.
04 -
Make cuts ¾-inch apart in tenderloin, leaving ½-inch intact at bottom.
05 -
Brush half the glaze over meat and in cuts.
06 -
Cut pineapple slices in half and insert into cuts.
07 -
Bake until 145°F internal temp (25-30 minutes).
08 -
Increase heat to 400°F.
09 -
Brush with remaining glaze and bake 10 more minutes until caramelized.
10 -
Rest 10 minutes before serving.