– 1 Tbsp olive oil

– 1 small yellow onion, diced

– 1 small red bell pepper, seeded and diced

– 1 small zucchini, diced

– 8 oz sliced mushrooms

– 3 garlic cloves, minced

– ¼ tsp dried basil

– ¼ tsp dried oregano

– Pinch of crushed red‑pepper flakes

– 8 uncooked lasagna noodles broken into large pieces

– 1 jar (24 oz) pasta sauce

– 1 can (15 oz) diced tomatoes, undrained

– Kosher salt and freshly ground black pepper

– ½ cup ricotta cheese (≈ 120 g)

– 6 oz fresh mozzarella, thinly sliced

– ¼ cup freshly grated Parmesan (≈ 25 g)

– ⅓ cup chopped fresh basil