Begin by removing the Camembert cheese from the refrigerator and allowing it to soften at room temperature for about 10 minutes.
In a mixing bowl, mash the Camembert cheese with a fork until it is smooth and creamy.
Add the softened butter to the cheese and continue mashing until the mixture is well combined and smooth.
Gradually add the beer, mixing it in a little at a time until fully incorporated. The mixture should be creamy and spreadable.
Stir in the finely chopped onion, minced garlic (if using), paprika, and caraway seeds.
Season the spread with salt and pepper to taste, mixing thoroughly to ensure even distribution of the spices.
Transfer the Obatzda to a serving dish, cover, and refrigerate for at least 30 minutes to allow the flavors to meld.
Before serving, allow the spread to come to room temperature for easier spreading. Serve with pretzels, rye bread, or vegetables.