Step 1

Preheat oven to 400°F and bring a large pot of water to a boil.

Step 2

Place penne in boiling water and cook for 10 minutes, or until al dente. Drain and transfer to a large mixing bowl. Set aside.

Step 3

While pasta cooks, place a large skillet over medium-high heat and add 1 teaspoon oil.

Step 4

Once oil is hot, add crumbled sausage to skillet and cook until starting to brown and cooked through, about 5 minutes. Remove from pan and transfer to a paper towel-lined plate to drain.

Step 5

Return the same skillet to medium-high heat add 1 tablespoon oil. Once oil is hot, add zucchini, garlic, salt, and pepper. Cook until zucchini is softened, about 8 minutes, stirring occasionally.

Step 6

Whisk together flour and chicken broth. Add mixture to the pan, stir, and cook another 2 minutes, or until mixture has thickened.

Step 7

Add zucchini, cooked sausage, cottage cheese, and about half of the feta to the mixing bowl with the pasta. Stir well to combine.

Step 8

Lightly grease a 9-by-13-inch baking pan with cooking oil spray. Pour pasta mixture in the pan. Sprinkle reserved feta on top.

Step 9

Bake for 20 minutes, or until cheese is bubbling and pasta is lightly browned on top. Remove from oven and set aside to cool for 5 minutes before serving.