Preheat oven and line sheet:
Heat oven to 425°F (220°C). Put parchment on a baking sheet.Mix radish mixture:
Combine radishes, onion, avocado oil, taco seasoning, and salt in a large bowl; mix well.Arrange on baking sheet:
Arrange radish mixture in a single layer on the lined baking sheet.Bake radishes until tender:
Bake for 20 minutes, stirring once halfway, until radishes are tender.Create indentations:
Take baking sheet out. With the back of a spoon, press 6 indentations into the radish mixture.Add eggs:
Break each egg into a small bowl, then slide it into an indentation.Top with cheese:
Distribute shredded cheese over the top.Bake until eggs set:
Put back in oven and bake 6 to 8 minutes more, until eggs are set to your liking.Garnish and serve:
Finish with diced avocado and sour cream. Serve right away.