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1
Preheat oven to 350 degrees.
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2
Bring a large pot of water to boil, add a few tsp of salt and the ziti to cook.
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3
Stir once or twice, should take about 7-8 minutes to cook al dente.
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4
Drain well and transfer to a large mixing bowl.
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5
Melt 1 tbsp of butter and 1 tbsp of olive oil in a large skillet.
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6
Add the onion and garlic and cook over medium-high heat, stirring, for a few minutes until the onion begins to soften.
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7
Add the zucchini, squash and pumpkin to the pan.
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8
Season with salt and pepper, and lower the heat to medium.
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9
Cook for about 10 minutes until the pumpkin is tender.
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10
Stir a few times while cooking so that it doesn't stick.
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11
Add this mixture to the pasta and give it a quick toss.
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12
Clean out your pot, you can use the same one for the next step.
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13
Roux/Sauce: Melt the other tbsp of butter and other tbsp of olive oil over medium-high heat.
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14
Once the butter is hot and melted, whisk in the flour until it completely incorporates with the butter/oil.
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15
Don't let it brown.
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16
Turn your heat down and add about 1/4 cup of the hot milk, whisking the whole time.
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17
Once that is incorporated, add another 1/4 cup of milk and whisk it in until smooth.
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18
Keep going until you've added all of the milk and it's smooth.
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19
Bring the heat back up a bit and keep stirring, it will have the consistency of heavy cream.
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20
Stir in the fontina cheese.
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21
Add the sauce to the pasta and toss well to combine.
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22
Pour the pasta mixture into a deep, lightly greased baking dish.
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23
Top with parmesan and bake for about 45 minutes until the top is brown and bubbly.
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24
Let it sit for a few minutes before serving.