Bring a large pot of water to a boil. Prepare an ice bath. Add 1 tablespoon of salt to the water. When it comes to a boil, drop the asparagus into the water and cook for 1 to 2 minutes. Remove the asparagus and drop them in the ice bath.
Meanwhile, halve the endive heads lengthwise, then cut each half into thin slices. Transfer endive slices to a large bowl. Drain asparagus and pat dry. Add to salad bowl. Season with a pinch of salt and pepper to taste. Drizzle with olive oil and white balsamic vinegar. Add capers and chives to bowl. Use your hands to gently toss everything together. Taste. Season with more salt, pepper, capers, etc. Transfer salad to serving platter.
Recipe by How to Decorate at https://www.ballarddesigns.com/howtodecorate/2014/04/recipe-asparagus-and-endive-salad/