Step 1

Use a pastry brush or napkin to coat a 9x13 casserole dish with olive oil. Set aside.

Step 2

In a small bowl, combine topping ingredients. Set aside.

Step 3

In a deep skillet, heat butter and add the squash, onions and garlic. Cover and stir occasionally until squash is starting to get tender but not soft, about 15 minutes.

Step 4

Add milk, cream, and seasonings. Add more salt and pepper to taste.

Step 5

Reduce heat to low and simmer uncovered until you see the liquid is cooking away and getting a little thicker, about 10 to 15 min.

Step 6

Gently blend with a potato masher if any large chunks remain.

Step 7

Carefully transfer the hot mixture from the skillet to the oiled casserole dish.

Step 8

Sprinkle all of the topping on the casserole.

Step 9

Bake uncovered 400F for 25 to 30 minutes or until the top is golden.

Step 10

Let set for five minutes then serve warm.