Preheat the oven to 425°F (220°C). Line a large baking sheet with parchment paper.
Slice the chicken breasts horizontally into thin, flat cutlets. Pat them thoroughly dry with paper towels.
In a shallow bowl, combine the Parmesan, panko breadcrumbs, Italian seasoning, paprika, garlic powder, and kosher salt.
Place the mayonnaise in a separate bowl. Brush each chicken cutlet with a thin layer of mayonnaise.
Press the Parmesan-panko mixture firmly over both sides of each chicken piece. Arrange the coated chicken on the prepared baking sheet.
Lightly spray the tops of the chicken with avocado oil.
Bake for 13–15 minutes, or until the chicken is golden and nearly cooked through.
Turn the broiler on and broil the chicken for 1–2 minutes. Carefully flip each piece and briefly broil the other side until deeply golden and crispy. The thickest part of the chicken should reach 165°F (74°C).
Meanwhile, bring a large pot of salted water to a boil and cook the pasta according to the package directions until al dente. Before draining, reserve about 1 cup of pasta water.
To prepare the sauce, melt the butter in a large skillet over medium-low heat.
Add the minced garlic and sauté gently for 1–2 minutes until fragrant without letting it brown.
Sprinkle in the flour and cook, stirring constantly, for another 1–2 minutes.
Gradually whisk in the water, chicken bouillon base, and heavy cream.
Simmer gently for about 8–10 minutes, stirring regularly, until the sauce thickens enough to lightly coat the back of a spoon.
Remove the sauce from direct heat. Stir in the fresh lemon zest and lemon juice.
Add the drained pasta to the creamy sauce and toss until thoroughly coated. Add reserved pasta water a little at a time if needed to loosen the sauce.
Slice the Crispy Parmesan Chicken with Creamy Lemon Pasta chicken cutlets into strips.
Divide the creamy lemon pasta between shallow bowls and arrange the crispy chicken over the top.
Finish with fresh basil, additional Parmesan, crispy breadcrumb pieces from the baking sheet, or lemon wedges as desired. Serve immediately.