Quick Recipe Version (TL;DR)
Quick Ingredients
- 1 1/2 oz (about 2 sheets) dried lasagna noodles, broken into 1-inch pieces (or 1/2 cup small pasta)
- 1 cup water (for cooking noodles)
- 1/2 cup marinara sauce
- 1/4 cup ricotta cheese (or small-curd cottage cheese)
- 1/2 cup packed chopped fresh spinach (or 1/4 cup thawed frozen spinach, squeezed dry)
- 1/4 cup shredded mozzarella cheese
- 1 tablespoon finely grated Parmesan cheese
- 1/8 teaspoon dried oregano
- Pinch black pepper
- Pinch salt (optional; depends on your sauce/cheese)
- Optional: pinch red pepper flakes
Do This
- 1) Break noodles into a microwave-safe mug (12–16 oz) and cover with 1 cup water.
- 2) Microwave on HIGH for 3 1/2 to 4 1/2 minutes, stirring halfway, until tender; drain well.
- 3) Stir ricotta + spinach + Parmesan + oregano + pepper (and salt if needed).
- 4) Layer in the mug: a spoon of marinara, half the noodles, half the ricotta mix, a little mozzarella; repeat.
- 5) Top with remaining marinara and remaining mozzarella.
- 6) Microwave on HIGH for 60 to 90 seconds until bubbly and melty.
- 7) Rest 2 minutes, then eat carefully (it will be hot).
Why You’ll Love This Recipe
- Scratches the lasagna itch with gooey cheese layers and saucy noodles, no oven required.
- Made in one mug (or ramekin), with quick cook time and easy cleanup.
- Flexible: use ricotta or cottage cheese, lasagna noodles or small pasta, fresh or frozen spinach.
- Perfect for a solo comfort-food dinner or a fast lunch that feels like a real meal.
Grocery List
- Produce: fresh spinach (or frozen spinach), optional fresh basil or parsley for topping
- Dairy: ricotta (or cottage cheese), shredded mozzarella, Parmesan
- Pantry: dried lasagna noodles (or small pasta), marinara sauce, dried oregano, black pepper, optional red pepper flakes
Full Ingredients
For the noodles
- Dried lasagna noodles: 1 1/2 oz (about 2 sheets), broken into 1-inch pieces (or 1/2 cup small pasta)
- Water: 1 cup (for cooking in the microwave)
- Salt: 1/8 teaspoon (optional; use only if your sauce is low-sodium)
For the cheese-and-spinach layer
- Ricotta cheese: 1/4 cup (or small-curd cottage cheese)
- Spinach: 1/2 cup packed chopped fresh spinach, or 1/4 cup thawed frozen spinach squeezed very dry
- Parmesan cheese: 1 tablespoon finely grated
- Dried oregano: 1/8 teaspoon
- Black pepper: pinch
- Red pepper flakes: pinch (optional)
For layering and topping
- Marinara sauce: 1/2 cup, divided
- Shredded mozzarella: 1/4 cup, divided
- Optional finish: 1 teaspoon chopped basil or parsley (for serving)

Step-by-Step Instructions
Step 1: Choose the right mug and set up for no-mess microwaving
Use a microwave-safe 12–16 oz mug (or a 2-cup microwave-safe ramekin) so you have room for stirring and bubbling without overflow. Set the mug on a microwave-safe plate to catch any drips.
This recipe is written for a 1000-watt microwave. If yours is much stronger or weaker, use the doneness cues (tender noodles, bubbling sauce) and adjust by 15–30 seconds at a time.
Step 2: Microwave-cook the broken noodles
Add the broken lasagna noodles to the mug and pour in 1 cup water (and 1/8 teaspoon salt if using). Press the noodles down so they’re mostly submerged.
Microwave on HIGH for 3 1/2 minutes. Carefully remove (it will be hot), stir well to separate any pieces, then microwave for 1 more minute, or until the noodles are tender with a slight bite. Total noodle cook time is typically 3 1/2 to 4 1/2 minutes.
Step 3: Drain thoroughly so your mug lasagna isn’t watery
Carefully pour off the water, using a fork to hold the noodles back. If you have a small strainer, you can dump and strain, then return noodles to the mug.
Let the noodles sit for 30 seconds, then drain again if needed. The goal is noodles that are cooked but not swimming in water.
Step 4: Mix the ricotta-spinach filling
In the same mug (or a small bowl), stir together 1/4 cup ricotta, spinach, 1 tablespoon Parmesan, 1/8 teaspoon oregano, and a pinch of black pepper (plus red pepper flakes if you like heat).
If using frozen spinach, squeeze it very dry first. Extra moisture is the main reason mug lasagna turns soupy.
Step 5: Layer for maximum gooey, lasagna-style bites
Build layers right in the mug:
Layer 1: Spoon in about 2 tablespoons marinara to lightly coat the bottom (this helps prevent sticking and adds saucy flavor).
Layer 2: Add half the noodles.
Layer 3: Add half the ricotta-spinach mixture, then sprinkle on about 2 tablespoons mozzarella.
Layer 4: Repeat with the remaining noodles and remaining ricotta-spinach mixture.
Step 6: Finish with marinara and mozzarella, then microwave until bubbly
Spoon the remaining marinara over the top (you should have about 6 tablespoons left) and finish with the remaining mozzarella.
Microwave on HIGH for 60 to 90 seconds, just until the sauce is bubbling at the edges and the cheese is fully melted. If you want more browning-like flavor, add 15 seconds more, but watch closely to avoid boil-over.
Step 7: Rest, then serve
Let the mug lasagna rest for 2 minutes. This gives the layers time to set so it eats more like lasagna and less like pasta soup.
Finish with chopped basil or parsley if you have it, and eat carefully. The center stays hot.
Pro Tips
- Prevent overflow: Use a 12–16 oz mug and always place it on a plate. Sauce and cheese can bubble up fast.
- Drain well: The biggest upgrade is removing as much noodle water as you can after microwaving.
- Cottage cheese option: Small-curd cottage cheese works great; for a smoother texture, stir it well (or blend briefly) before layering.
- Even melting: Sprinkle mozzarella in the middle and on top so you get gooey pulls throughout.
- Microwave power varies: If the sauce isn’t bubbling after 90 seconds, keep going in 15-second bursts until it is.
Variations
- Meaty mug lasagna: Add 1/4 cup cooked crumbled Italian sausage or 1/4 cup cooked ground beef between layers (warm the meat first).
- Extra-veg version: Add 2 tablespoons finely chopped mushrooms or 2 tablespoons chopped roasted red pepper into the ricotta mix.
- Pesto twist: Swirl 1 teaspoon basil pesto into the ricotta mixture for a brighter, herby flavor.
Storage & Make-Ahead
This recipe is best eaten right away (the noodles keep absorbing sauce as it sits). If you want to prep ahead, mix the ricotta-spinach filling up to 2 days in advance and refrigerate in an airtight container. You can also portion the marinara and cheeses ahead of time.
If you have leftovers, cool for 30 minutes, cover, and refrigerate for up to 2 days. Reheat in the microwave on HIGH for 45 to 75 seconds, adding 1 tablespoon marinara if it looks dry.
Nutrition (per serving)
Approximate: 520 calories, 28 g protein, 52 g carbs, 23 g fat, 5 g fiber, 980 mg sodium. (Will vary by brand of marinara and cheeses.)
