In a large skillet, heat olive oil over medium heat.
Add the chopped onion and sauté until translucent, about 5 minutes.
Stir in the minced garlic and cook for an additional minute.
Add the cooked butter beans to the skillet.
Sprinkle in the smoked paprika, salt, and black pepper.
Stir gently to coat the beans with the spices.
Cook for 5-7 minutes until heated through.
Drizzle with lemon juice for added flavor.
Taste and adjust seasoning if necessary.
Serve warm, garnished with fresh parsley.