Step 1

Wash leeks thoroughly, then slice in half lengthwise. Cut into 1/2" slices.

Step 2

Place pearl onions in boiling water for 3-4 minutes; rinse in cold water and peel. Set aside.

Step 3

In a large saucepan, melt 2 Tbsp. butter and add the washed and sliced leeks. Cook, stirring often, for 5 minutes.

Step 4

Meanwhile, steam the peas and the pearl onions for 5 minutes and drain. Add mixture to the pan containing the leeks.

Step 5

In a medium saucepan, melt 2 Tbsp. butter and stir in flour, making a paste. Gradually add the heavy cream, whisking constantly until mixture becomes slightly thick. Add seasonings

Step 6

When sauce is thick and bubbling, pour over peas, pearl onions and leeks. Stir and serve.