Hi, Donna, the cake mix crumble idea sounds great! You can also add more of the toppings or other things you like and skip the coconut. Just be sure to press the toppings into the condensed milk filling so everything adheres. Let me know what you end up doing and how it turns out!

Hi, Melodie! I've never tried that substitution, but it's an awesome idea! I would think it would work if, like you said, you drain the pineapple really well. I'd also use paper towels to pat it dry. Please let me know if you try it and how it goes, I'd love to share this substitution on the blog post! Cara 🙂

Hi, Ann, what a sweet idea! I've never tried shipping them. These bars are quite thick and substantial and hold together best when very cold. The topping gets nice and gooey as they warm up. So if they're packed well and kept very cold, I would think they should stand up to being mailed. I would probably send them as a full slab in a sturdy disposable pan vs. individual bars. Let me know when you end up doing and how it goes!

Thank you so much Abigail! I'm so glad you loved it :). Cara