01 -
Position rack in upper third of oven and preheat broiler to high. Bring a large pot of water to a boil.
02 -
In a small bowl, combine ricotta, Parmesan, and egg. Set aside near stove.
03 -
In a large broiler-safe skillet over medium-high heat, cook sausage until no longer pink, breaking into small pieces. Add eggplant and olive oil; cook, stirring occasionally, until eggplant begins to soften, about 2 minutes.
04 -
Add marinara sauce, fennel seeds, and pepper to the skillet. Reduce heat to a simmer and cook, stirring occasionally, until eggplant is very soft, about 7 minutes.
05 -
Cook pasta according to package instructions. Drain and add to skillet with sauce.
06 -
Stir ricotta mixture into pasta and sauce gently. Simmer briefly to combine flavors.
07 -
Sprinkle mozzarella evenly over the top. Transfer skillet to oven and broil until cheese is browned, 1 to 2 minutes. Garnish with basil and serve.