Roasted Chicken With Lemon Sauce without herbs

1 (3 lb) whole chickens 12 medium red potatoes, trimmed around center 12 asparagus spears , trimmed, halved crosswise 3 carrots , cut into sticks olive oil[...]

1 roasted chicken 1 sweet onion 2 cups sweet peas 1 cup white wine 1 cup sour cream 2 carrots , chopped 2 tablespoons minced garlic 4 cups heavy cream 2[...]