In Progress — Last updated: Friday
Why Muffin Pans?
These muffin tin frittatas are packed with roasted vegetables, sharp cheese, and herbs for a make-ahead breakfast that actually tastes like something you'd order at a café. They reheat beautifully all week, stay tender instead of rubbery, and are endlessly adaptable to whatever's in your crisper drawer. Make a pan on Sunday and you've got grab-and-go protein portions ready to go.
Ingredients
- 1 tbsp unsalted butter (for greasing muffin tin)
- 1 tbsp olive oil
- 1 cup small broccoli florets (cut into 1/2-inch pieces)
- 3/4 cup red bell pepper, diced (1/4-inch pieces)
- 1/2 cup yellow onion (finely diced)
- 1/2 cup cremini mushrooms (finely chopped)
- 1/2 tsp kosher salt (divided)
- 1/4 tsp black pepper (divided)
- 10 large eggs
- 1/3 cup whole milk (or half-and-half for richer texture)
- 1/4 tsp garlic powder
- 1/4 tsp smoked paprika
- 1/8 tsp crushed red pepper flakes (optional, for mild heat)
- 1/2 cup shredded sharp cheddar cheese (Tillamook or similar)
- 1/2 cup crumbled feta cheese
- 2 tbsp chopped fresh parsley
- 1 tbsp chopped fresh chives (or green onion tops)
- 1/4 cup finely grated Parmesan cheese (for topping)
Instructions
- 01Preheat the oven to 375°F. Place the oven rack in the center position. Lightly grease a standard 12-cup muffin tin with the 1 tbsp unsalted butter, making sure to coat the sides and bottoms of each cup thoroughly.
- 02In a large skillet, heat the olive oil over medium heat. Add the broccoli, red bell pepper, onion, and mushrooms. Sprinkle with 1/4 tsp of the kosher salt and a pinch (about 1/8 tsp) of black pepper. Sauté, stirring occasionally, until the vegetables are softened and any mushroom moisture has cooked off, 6-8 minutes. Remove from heat and let cool 5 minutes.
- 03In a large bowl, whisk the eggs until the whites and yolks are completely blended and slightly frothy, about 30 seconds. Add the whole milk, remaining 1/4 tsp kosher salt, remaining black pepper, garlic powder, smoked paprika, and crushed red pepper flakes (if using). Whisk until well combined.
- 04Fold the cooled vegetable mixture into the eggs. Add the shredded sharp cheddar, crumbled feta, chopped parsley, and chives. Stir with a spatula until everything is evenly distributed - no big clumps of vegetables or cheese.
- 05Place the greased muffin tin on a rimmed baking sheet (this makes it easier to move and catches any spills). Divide the egg mixture evenly among the 12 cups, filling each about 3/4 full. The solids will want to sink; use a spoon to pull some vegetables and cheese into each cup so they're evenly loaded.
- 06Sprinkle the tops of each cup with the grated Parmesan, dividing it evenly. Gently tap the baking sheet on the counter once or twice to settle the mixture and release large air bubbles.
- 07Bake at 375°F for 18-22 minutes, until the frittata cups are puffed, set in the center, and just barely jiggle when you nudge the pan. A toothpick inserted in the center of a cup should come out mostly clean with no wet egg.
- 08Remove the muffin tin from the oven and let the frittata cups cool in the pan for 5-7 minutes. Run a thin spatula or butter knife around the edges of each cup to loosen, then gently lift out and transfer to a cooling rack.
- 09Serve warm, or let cool completely before refrigerating in an airtight container for up to 5 days. To reheat, warm 1-2 frittata cups in the microwave for 20-30 seconds, or in a 325°F oven for 8-10 minutes until heated through.
Chef's Notes
Use a separate oven thermometer if you have one - eggs overbake quickly if your oven runs hot, and that's how you get rubber instead of custard. Dice the vegetables small and cook out their moisture; raw or watery veg will give you soggy, weeping frittatas by Wednesday. This base is forgiving: swap broccoli for chopped spinach (squeezed dry), use cooked crumbled bacon or sausage in place of mushrooms, or change the cheese combo, but keep the overall volume of add-ins about the same so the egg-to-filling ratio stays balanced.
Behind the Scenes
How This Recipe Was Made
Follow the creative team's conversation as they developed, photographed, and published this recipe.
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Margaret
Head Baker
Marcus
Copywriter
Steph
Project Manager
Julian
Art Director
Devon
Site Architect
Margaret Chen · Head Baker
Alright. Weekly muffin pan recipe. We doing this or not.
Marcus Reid · Copywriter
The tension lives in the pan itself - most people treat muffins like cupcakes, but the edges crisp differently than the center. That's where the story is, not in "easy weeknight baking."
Margaret Chen · Head Baker
Marcus actually reads. That edge-center thing - that's real work, not Instagram nonsense. I'm in if we're doing it that way.
Marcus Reid · Copywriter
Good - because the real move is letting people see that the pan *teaches* them something about heat and structure if they're actually paying attention.
Stephanie 'Steph' Whitmore · Project Manager
I love that you two are already seeing the same thing - so what does that look like when we're actually shooting it?
Margaret Chen · Head Baker
You show the lamination. The fold patterns. Let people see what they're actually doing with their hands instead of just dumping batter in a tin.
Stephanie 'Steph' Whitmore · Project Manager
Okay so we're shooting the lamination - showing the actual fold work, the heat patterns, all of it. That's the week. Good work everyone.
Margaret Chen · Head Baker
Trays cooled overnight. The ratios shifted - need to nail this down before we move forward.
Marcus Reid · Copywriter
The overnight shift is interesting - there's something almost Proustian about how time changes these things, but yes, let's lock the ratios before we build the copy around them.
Margaret Chen · Head Baker
Proustian. Right. Anyway - butter separated from the filling, which means we're losing structure. Need to test a binder.
Marcus Reid · Copywriter
A binder changes the story though - are we leaning into that separation as intentional, or do we fix it and pretend it never happened?
Stephanie 'Steph' Whitmore · Project Manager
I think we test the binder first - see if it actually fixes the separation, then decide if we're hiding it or leaning into it?
Marcus Reid · Copywriter
Testing first makes sense - that's the practical move. We'll know what we're working with once Margaret runs it. I'm out, catch you tomorrow.
Julian Torres · Art Director
Just got the three muffin shots locked in - macro closeup, overhead flat lay, and hero three-quarter on a board. We need to pick which one leads the campaign.
Stephanie 'Steph' Whitmore · Project Manager
Those all sound really strong - which one do you think stops the scroll the most?
Julian Torres · Art Director
The three-quarter is the only one that shows the crumb structure and the glaze together - it's got narrative. The overhead's too polished, feels detached.
Margaret Chen · Head Baker
The crumb matters more than the styling. Three-quarter lets people see the actual texture.
Stephanie 'Steph' Whitmore · Project Manager
The three-quarter totally nails it - people need to actually see what they're biting into.
Margaret Chen · Head Baker
Good. Now make sure whoever's shooting doesn't add some stupid garnish at the last second.
Stephanie 'Steph' Whitmore · Project Manager
Yeah, keeping it clean - no last-minute styling tricks. Three-quarter shot, we're locked in. Have a good one, everyone.
Marcus Reid · Copywriter
Morning. Got the muffin copy locked and ready - been sitting with it since yesterday. I'm thinking we call it "The Weekly Muffin: Small Pan, Big Flavor" but open to thoughts.
Margaret Chen · Head Baker
That title's doing too much work - just call it what it is.
Marcus Reid · Copywriter
Fair point - what if we stripped it back to just "Brown Butter Muffins" and let the copy do the work instead?
Margaret Chen · Head Baker
The nutty notes will come through in the crumb itself - don't describe them. Let readers taste it instead.
Stephanie 'Steph' Whitmore · Project Manager
Let the lamination speak for itself - same energy as last week and it's working.
Margaret Chen · Head Baker
The glaze instructions are still vague. 'Until glossy' - that's not a temperature or a time. People will mess it up.
Devon Park · Site Architect
Yeah, that's on Marcus - I flagged it weeks ago but the copy never got tightened up.
Marcus Reid · Copywriter
Fair point - I rewrote it three times trying to capture the feel of watching it set, but you're right, 'glossy' is asking readers to guess. Let me fix it to 180 degrees on a candy thermometer, which is the actual threshold where the glaze shifts.
Stephanie 'Steph' Whitmore · Project Manager
That's exactly the specificity we need - thank you for pivoting so fast on that.
Margaret Chen · Head Baker
180 degrees works. That's the real number people need. Approve it.
Marcus Reid · Copywriter
Glad that lands - the thermometer detail actually lets people trust their instincts instead of second-guessing themselves, which is what the whole thing should do anyway.
Stephanie 'Steph' Whitmore · Project Manager
Actually, I think Marcus just cracked something bigger - when people know the real number, they stop overthinking the whole process.
Julian Torres · Art Director
The thermometer detail changes everything visually too - once people hit 180, the glaze catches light differently, and that's what makes the shot actually convincing instead of just pretty.