Add the cubed potatoes, diced onion, minced garlic, smoked paprika, salt, and black pepper to the slow cooker.
Pour in the beer and chicken broth. Stir once to combine.
Cover and cook on low for 6 hours or until the potatoes are very soft.
Use an immersion blender to partially blend the soup, leaving some chunks for texture.
Stir in the shredded cheddar cheese until fully melted.
Pour in the heavy cream and stir until the soup is smooth and creamy.
Ladle into bowls and top with sliced green onions and crumbled bacon.