Baked Mushroom and Feta Cheese Mini Tart Frittatas

Prep: 15 minCook: 33 min1 tart (6 slices)medium
Baked Mushroom and Feta Cheese Mini Tart Frittatas

Individual baked egg tarts featuring sautéed cremini mushrooms, tangy feta cheese, and creamy cottage cheese in portable muffin-sized portions. The combination of earthy mushrooms with sharp feta creates a savory breakfast or light lunch perfect for meal prep or entertaining. Rinsed cottage cheese adds protein while keeping the texture light, and the silicone tart pans ensure easy removal. These mini frittatas work equally well for brunch gatherings or grab-and-go weekday meals, offering a protein-rich option that can be made ahead and reheated.

Ingredients

Yield: 1 tart (6 slices)
  • 12 oz mushrooms, washed and sliced
    button or shiitake1:1flavor

    different earthiness

    Full guide →
  • 2 tsp olive oil
  • ½ cup cottage cheese, rinsed and drained well
    ricotta cheese1:1texture

    skip rinsing step

    Full guide →
  • ¾ cup feta cheese, crumbled
    goat cheese1:1flavor

    milder taste

    Full guide →
  • 3 tbsp green onions, thinly sliced
  • 6 eggs, beaten
  • ½ tsp Spike seasoning
    any all-purpose seasoning blend1:1dietary

    good with eggs

  • black pepper, fresh-ground to taste(optional)

Instructions

  1. 1

    Preheat oven and spray mini tart pan or jumbo muffin cups with non-stick spray

  2. 2

    Rinse cottage cheese in fine colander with cold water until only curds remain and let drain

  3. 3

    Wash and blot dry mushrooms, then slice into thick pieces

  4. 4

    Heat olive oil in large non-stick pan over medium-high heat and cook mushrooms until liquid evaporates and they are lightly browned

  5. 5

    Place cooked mushrooms in bottom of prepared tart wells or baking cups

  6. 6

    Layer drained cottage cheese, crumbled feta, and sliced green onions over mushrooms

  7. 7

    Beat eggs with seasoning and pepper, divide among wells, then gently stir mixture with fork to coat ingredients

  8. 8

    Bake until set and lightly browned on top

  9. 9

    Serve hot with optional sour cream dollop

Tips

Tip 1

Use silicone tart pans or muffin cups for easiest removal and best non-stick results.

Tip 2

Thoroughly drain cottage cheese to prevent watery tarts - rinsing removes excess liquid and sodium.

Tip 3

Cook mushrooms until all liquid evaporates to prevent soggy bottoms in the finished tarts.

Good to Know

Storage

Refrigerate up to 3 days in covered container

Make Ahead

Can be made 1-2 days ahead and reheated in microwave or low oven

Serve With

Serve warm or at room temperature with optional sour cream

Common Mistakes

Watch

Drain cottage cheese thoroughly to avoid watery texture

Watch

Cook mushrooms until liquid evaporates to prevent soggy bottoms

Substitutions

Spike seasoning
any all-purpose seasoning blend1:1dietary

good with eggs

cottage cheese
ricotta cheese1:1texture

skip rinsing step

Full guide →
feta cheese
goat cheese1:1flavor

milder taste

Full guide →
cremini mushrooms
button or shiitake1:1flavor

different earthiness

Full guide →
Find more substitutions →

FAQ

Can I use different types of mushrooms?

Yes, button mushrooms, shiitake, or any firm mushroom variety works well. Cook until all moisture evaporates regardless of type.

How long will these keep in the refrigerator?

Store covered for up to 3 days. Reheat in microwave for 30-45 seconds or in 300F oven for 5-8 minutes.

Can I freeze these mini tarts?

Yes, freeze in airtight container up to 1 month. Thaw overnight in refrigerator and reheat before serving.