Bring a large pot of salted water to a boil.: The first sign you are doing this right is the lively, rolling boil and the steam carrying a faint salty tang. Salting the water seasons the bowtie pasta from the inside out, which matters because these chips rely on internal seasoning as much as external coating. A common mistake is under salting, which yields bland chips even after you add cheese and spices. If the water tastes flat, add a pinch more salt and wait for it to dissolve before adding the pasta.
Add pasta and cook according to box directions until al dente.: You will notice the pasta change from stiff to slightly translucent and tender but still with a bite, that is al dente. This texture prevents the chips from turning to dust in the air fryer , it allows the shapes to hold together while developing crisp edges. Overcooking makes them mushy and prone to breaking apart when tossed with oil. If the pasta seems soft to the touch, pull one piece out and bite it to evaluate firmness, cooking one minute less if it is too tender.
Drain pasta and add to a large mixing bowl.: Drain until most of the water is gone but the pasta is not bone dry. You want a little residual moisture so the olive oil and grated Parmesan cheese can cling. The ideal state feels slightly tacky to the fingers. A common pitfall is leaving too much water, which prevents the coating from adhering, so let it sit in the colander for a minute to shed excess liquid.
Add olive oil to pasta and toss.: When you pour the olive oil it will sheen the pasta, giving each piece a faint gloss. Tossing ensures even distribution so the grated Parmesan cheese and seasonings will stick and brown. If you see pooling oil, you used too much, which can make the chips greasy. Use a gentle fold and lift motion to coat without mashing the shapes, and stop when every bowtie looks lightly coated.
Add in grated Parmesan cheese, Italian seasoning, garlic powder, and crushed red pepper.: As you sprinkle these, the aroma will brighten immediately, the grated Parmesan cheese lending a nutty scent and the Italian seasoning bringing herbaceous notes. These dry seasonings cling to the oiled pasta, building flavor layers that will deepen as they toast. Over seasoning can overwhelm, so trust the measurements and adjust only slightly to taste after a test batch.
Toss to combine.: Tossing releases the fragrance of the spices and ensures the grated Parmesan cheese forms a coating on many pieces. You should hear a faint rustle as pieces rub together and see a uniform flecking of herbs. A troubleshooting tip is to inspect for clumps of cheese, which will brown unevenly, and gently break them apart with your fingers before moving to the air fryer.
Preheat air fryer to 400 degrees F.: Preheating produces immediate sizzle and even browning when the pasta hits the basket. You will smell a warm, toasty note as the air fryer reaches temperature. Skipping preheat can produce inconsistent texture with some pieces overdone and others underdone. Allow the appliance a few minutes to reach the target temp so the first batch behaves like the later ones.
Add pasta to preheated air fryer, covering the bottom of the basket and not overlapping in the basket.: Arrange the pieces in a single layer so hot air circulates and each chip crisps uniformly. If pieces overlap they steam rather than toast, leaving you with limp sections. Look for an even spread of pasta across the basket, without stacking, and gently nudge any crowded pieces aside to ensure airflow.
Cook for 4 minutes on 400 degrees F.: Early in the cook you will hear a faint ticking as moisture evaporates and see the cheese begin to take on a pale golden tone. This first interval establishes initial drying. A common mistake is opening the basket too often, which cools the chamber and extends cook time; peek only when necessary. If your first 4 minutes yield little color, the pieces may have been too wet, so allow a slightly longer first interval next batch.
Toss and cook for another 4-5 minutes at 400 degrees F. until you have reached your desired crispness.: After tossing the chips will redistribute and the hot air will access fresh surfaces, resulting in audible crisping and deeper golden color. The aroma becomes unmistakable, with toasted cheese and herbs leading. The trick is to watch for visual cues rather than a strict timer, because air fryer models vary. A common error is overcooking until the chips darken too far, so aim for a consistent golden brown and test one for snap.
Continue until all pasta chips have been made.: Work in batches to keep a single layer, repeating the preheat and cook rhythm as needed. Each batch should show incremental color changes, with later batches often crisping slightly faster once the appliance is fully hot. If batches begin to overbrown, reduce the cook time by a minute to dial it in. Keep them moving to prevent clumping and to serve everyone warm.
Serve with marinara sauce for dipping.: Present the chips warm so they retain crispness, pairing with a slightly tangy marinara sauce to cut through the richness. You will notice the sauce accentuates the herb and cheese notes and gives a pleasing contrast in texture. A common serving mistake is letting chips sit in sauce, which leads to softening; keep the dip separate so chips stay crunchy between dunking.