Black eyed Peas Leeks recipes

Name: Black-eyed Peas & Leeks recipes
Ingredients: 1 tablespoon extra virgin olive oil; 3 tablespoons+ unsalted butter; fine sea salt; 4 good-sized leeks, dark green parts trimmed, quartered lengthwise, then sliced every 1/2-inch; 3 cups cooked black-eyed peas*; heaping 1/4 teaspoon dried marjoram; 1 teaspoon dried tarragon