Argentinian Empanadas with Chimichurri - Great Easy Recipe

Ingredients

• 2 ½ cups all-purpose flour
• ½ tsp salt
• ½ cup unsalted butter, cold and cubed
• 1 egg
• ½ cup cold water (or as needed)
• 1 tbsp olive oil
• ½ lb ground beef
• 1 small onion, finely chopped
• 1 small red bell pepper, finely chopped
• 1 clove garlic, minced
• ½ tsp cumin
• ½ tsp smoked paprika
• ½ tsp oregano
• ¼ tsp black pepper
• ¼ cup green olives, chopped
• 1 hard-boiled egg, chopped (optional)
• ½ cup fresh parsley, finely chopped
• 2 cloves garlic, minced
• 1 tsp red pepper flakes
• 2 tbsp red wine vinegar
• ½ cup olive oil
• Salt and black pepper, to taste
• 1 egg yolk
• 1 tbsp water