These Southwestern Frittata Cups are individually portioned baked eggs loaded with seasoned ground turkey, spiralized sweet potato, and warm spices. They cook in a muffin tin, come out ready to eat, and hold up in the fridge all week. If you need a high-protein breakfast that requires zero effort on a Tuesday morning, this is it.
Why this recipe works
Two things make this recipe reliable. First, browning the ground turkey before it goes into the egg mixture drives off excess moisture — wet turkey will make the cups rubbery and slow to set. Get it properly browned, not just cooked through. Second, spiralized sweet potato distributes evenly through the egg batter in a way that diced chunks never do; every cup gets the same amount of potato rather than a few lucky ones hogging it all. Those two steps — dry, browned meat and thin-cut potato — are what keep the texture consistent from the first cup to the last.
About the ingredients
- Ground turkey breast: Leaner than regular ground turkey, so it can dry out fast. If you only have regular ground turkey (with thigh meat), that works fine and is actually more forgiving. Ground chicken is a direct swap.
- Spiralized sweet potato: Pre-spiralized bags from the produce section save time. No spiralizer? Grate the sweet potato on the large holes of a box grater — same thin strands, same result. A small white or yellow potato works if sweet potato isn’t available, though the flavor is milder.
- Southwestern spices (cumin, chili powder, smoked paprika): If you’re missing one, a taco seasoning blend covers all three. Use about half the quantity since blends include salt.
- Cheese: Pepper jack adds heat; plain Monterey Jack or sharp cheddar are easy substitutes. Skip the garnish cheese on top — not worth the extra dish when it just melts into a greasy film anyway.
Leftovers and meal prep
Cooled frittata cups keep in an airtight container in the refrigerator for up to 4 days. To reheat, 45 to 60 seconds in the microwave is enough — cover them loosely with a damp paper towel to prevent the edges from drying out. For longer storage, freeze them individually on a baking sheet first, then transfer to a zip bag; they keep well for up to 2 months. Reheat from frozen at 50% microwave power for about 2 minutes, or thaw overnight in the fridge and reheat normally. They also eat fine cold if you’re in a real hurry.
If something goes sideways
- Cups won’t release from the tin: Even with greasing, egg can stick. Let the cups cool for 5 minutes before trying to remove them — they firm up and release much more cleanly. Run a thin knife or offset spatula around the edge first.
- Soggy or wet texture in the center: The turkey or sweet potato went in with too much moisture. Next time, pat the cooked turkey with a paper towel and squeeze any liquid from the sweet potato after spiralizing or grating. If they’re already baked and wet, an extra 3 to 4 minutes uncovered in the oven at the same temperature usually fixes it.
- Cups overflow during baking: The muffin cups were overfilled. Fill only to about three-quarters full — the eggs puff as they bake. Wipe up any overflow before it bakes onto the tin or it becomes very hard to clean.
- Uneven cooking — some cups done, others still jiggly: Oven hot spots are the usual cause. Rotate the tin 180 degrees halfway through baking. If your oven runs cool, add 3 to 5 minutes and check with a toothpick inserted in the center.
- Turkey tastes bland: Ground turkey absorbs seasoning well but needs salt at the browning stage, not just in the egg mixture. Season the meat directly in the pan while it cooks.

Filling Southwestern Frittata Cups Recipe
Ingredients
2 pounds ground turkey (minced turkey) - breast
1 packet taco seasoning
½ medium sweet potato - spiralized or chopped small
1 cup mushrooms - chopped
½ medium white onion - chopped- 1 cup Mexican blend cheese - low-fat
½ cup plain yogurt - Jalapeno Greek
2 tablespoons olive oil
4 medium egg
¾ cup egg white
1 teaspoon cumin
1 dash salt
1 dash ground black pepper
Instructions
- Preheat the oven to 400 degrees Fahrenheit. Spray muffin pan with coconut oil spray or cooking spray.
- Brown ground turkey meat until it is fully cooked. Add taco seasoning to cooked ground turkey. Then set it aside.
- Add olive oil to a large skillet. Add sweet potato, onion, and mushrooms. Sprinkle with cumin. Saute for approximately 8 minutes until the potato softens and the onions turn clear.
- Divide the cooked veggie mixture among the 12 muffin tins. Add a spoonful of ground turkey to each muffin tin.
- In a small bowl, whisk the eggs and yogurt. Pour egg mixture over the veggies into the 12 muffin tins. Sprinkle salt and pepper.
- Bake for approximately 20 minutes.
Nutrition
Frequently asked questions
Can I use a different ground meat instead of turkey?
Yes — ground chicken is the closest swap and works cup-for-cup. Ground pork or lean ground beef also work; just drain off any extra fat after browning, and cook pork to 160°F (71°C) and poultry to 165°F (74°C) before it goes into the egg mixture.
Do I have to use a muffin tin, or is there another option?
A standard 12-cup muffin tin is the right tool here. Silicone muffin molds also work and release even more easily, though they may need an extra minute or two of bake time since silicone conducts heat more slowly than metal.
Can I make these without sweet potato if I don’t have one?
Absolutely. Grated zucchini (squeezed dry), diced bell pepper, or frozen corn are all reasonable replacements that keep the volume and texture similar. The Southwestern flavor profile holds up with any of them.
How do I know when the frittata cups are fully cooked?
The centers should be set and not jiggle when you gently shake the tin. A toothpick inserted in the middle of a cup should come out clean. Because these use ground poultry, you want the internal temperature to reach 165°F (74°C) — a quick-read thermometer removes all guesswork.








