Start by bringing a pot of water to a rolling boil over medium-high heat. Carefully add your hard-boiled eggs, ensuring they are submerged completely. Boil them for about 10-12 minutes. Once done, transfer the eggs into a bowl of ice water to cool for around 5 minutes before peeling.

In a medium saucepan, melt ½ cup of unsalted butter over medium heat. Stir occasionally to ensure it melts evenly and creates a smooth base.

Once the butter is melted, add ½ cup of sliced onions to the saucepan. Sauté for about 3-4 minutes until the onions become translucent.

Stir in 4 cloves of minced garlic and 1 tablespoon of garlic paste, allowing them to sauté for another minute. Then, add 1 tablespoon of Old Bay seasoning, ½ teaspoon of cayenne pepper, 1 teaspoon of paprika, and ½ teaspoon each of garlic and onion powder.

Pour in ½ cup of vegetable broth, stirring to combine with the sautéed ingredients. Allow to simmer for about 5 minutes over low heat.

Once the sauce is ready, take your peeled boiled eggs and place them in a large mixing bowl. Drizzle the hot spicy garlic butter sauce over the eggs, ensuring they are well coated.

Serve the Cajun boiled eggs warm or chilled, garnished with a sprinkle of fresh parsley or red pepper flakes for additional flavor.