Prep all ingredients as listed.
Slice the Brie cheese and allow it to sit at room temperature until softened for easier spreading.
In a bowl, mix the softened butter, minced chives, minced parsley, Dijon mustard, and grated garlic until well combined. Season with salt and black pepper to taste
In a separate bowl, toss the arugula with lemon juice and season lightly with salt and black pepper.
Spread the herb butter inside the rolls.
Layer with deli ham, Brie and arugula. Cut in half if preferred.
In a large glass or pitcher, combine the sparkling water, lemon slices, and chia seeds. Stir thoroughly, let sit for 2–3 minutes to allow the chia seeds to hydrate.
Serve the jambon beurre with carrot sticks, hummus, sliced pears, and lemon chia sparkling water.