Zucchini Latkes with Red Pepper Jelly and Smoked Trout

Ingredients

• 1 pound medium zucchini
• 1 large baking potato (3/4 pound), peeled
• 1 small onion (4 ounces), peeled
• 1/2 cup matzo meal
• 1 large egg, lightly beaten
• 1 teaspoon fresh lemon juice
• 1 1/2 teaspoons salt
• 1/2 teaspoon freshly ground pepper
• Vegetable oil, for frying
• 1/2 cup sour cream
• 1/2 cup red pepper jelly
• 3 ounces skinless smoked trout fillet, coarsely chopped
• 2 ounces golden trout roe (see Note)
• 3 scallions, green parts only, thinly sliced