Preheat the oven to 450° F. On a baking sheet, toss the fish pieces with olive oil, honey, Tajin, paprika, garlic powder, onion powder, and a pinch of salt. Arrange in a single layer. Roast 10-15 minutes or until the fish is cooked to your liking. During the last minute, switch the oven to broil and broil until lightly charred. Set the fish aside.To make the jalapeño cream. Combine all ingredients in a bowl. Season with salt. To make the salsa. Combine all ingredients in a bowl. Spread the cream cheese on the bottom of your shells. Layer in the lettuce, fish, and salsa.