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Ingredients
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Egg Scramble Base
Mix-in Options (choose up to 3 per sandwich)
Cheeses & Spreads
Breads & Builds
Optional Garnishes
Method
Prep
Decide which mix-ins and cheeses you want for each sandwich. For a plan to serve 6 sandwiches, use about 8 eggs total and distribute mix-ins evenly (about 2–3 tablespoons per sandwich for denser ingredients like ham or bacon, larger amounts for vegetables).
Sauté Mix-ins (if using vegetables)
Sauté vegetables
Heat 1 tablespoon olive oil in a medium skillet over medium heat. Add diced onion and bell pepper; cook 4–5 minutes until softened. Add sliced mushrooms and cook 3–4 more minutes until mushrooms release moisture. Season lightly with 1/4 tsp salt and 1/8 tsp pepper. If using spinach, add it at the end and cook 1 minute until wilted. Transfer vegetables to a bowl and set aside.
Make the Scramble
Whisk eggs
In a medium bowl whisk the 8 eggs with 1/2 cup whole milk, 1 tsp fine sea salt and 1/2 tsp freshly ground black pepper until combined and slightly frothy. The milk lightens and softens the curds.
Cook low and slow
Melt 2 tablespoons unsalted butter in a large nonstick skillet over medium-low heat until foamy but not browned. Pour in the egg mixture. Let eggs sit undisturbed for 10–15 seconds, then using a silicone spatula gently push eggs from the edges toward the center, forming large soft curds. Continue to cook, stirring occasionally, keeping the heat low so eggs remain creamy. This should take about 3–5 minutes.
Add mix-ins and cheese
When eggs are mostly set but still moist (slightly underdone), add your chosen mix-ins: about 1/4 to 1/2 cup total cooked proteins or vegetables per batch and 1/2 to 3/4 cup shredded cheese (or 2–3 provolone slices). Gently fold them into the eggs and remove the pan from heat while residual heat finishes the eggs. Taste and adjust seasoning if needed.
Toast & Assemble
Spread a thin layer of cream cheese or mayonnaise on the bottom half of each toasted bread if desired. Place a warm portion of the scramble on the bottom half (aim for about 1/6 of the scramble per sandwich).
Close the sandwich and press gently for 5–10 seconds. Serve immediately while warm.
Make-Ahead & Reheat Tips
To prepare in advance: cook scramble completely, cool quickly, and store in an airtight container in the refrigerator up to 3 days. Toast bread just before serving. Reheat scramble gently in a skillet over low heat with a splash of milk, or microwave in 30-second increments stirring between until warm.