In a large skillet, heat olive oil over medium heat. Add garlic and cook for 1-2 minutes.
Add onion and potato. Cook until potato is starts to brown, stirring frequently.
Add sausage. Cook for 3-4 minutes until sausage starts to brown.
Add spinach. Cook for another few minutes until spinach starts to wilt.
Top with poached eggs and serve with side of avocado.