Grilled Pineapple Salsa

8 - 1/2" thick pineapple rings
1/2 red onion, chopped
3 Tbsp. chopped cilantro or parsley
1 Tbsp. honey
1 tsp. lime zest
1 Tbsp. lime juice
1/2 tsp. red pepper flakes
salt
pepper

1. Grill the pineapple over medium heat until it has distinct grill marks (about 5 minutes).  Let cool and chop into 1/2" pieces.
2. Mix the chopped pineapple with the cilantro, honey, lime juice, and red pepper flakes.  Season to taste with salt and pepper. 
3. Refrigerate for at least one hour.