Heat 1 tablespoon olive oil in a skillet over medium heat.
Add spinach and cook until wilted, about 1 minute.
Prep avocado, tomatoes, herbs, and other toppings as desired.
Cook eggs in desired style (scrambled, poached, or fried).
Heat or cook turkey sausage if using.
Assemble bowls: layer quinoa or sweet potatoes, spinach, eggs, avocado, sausage, and tomatoes.
Add toppings: feta, seeds, toast cubes, hot sauce, and seasoning.
Garnish with herbs and serve warm.