Line a 9- x 5-inch loafpan with heavy-duty plastic wrap.
Press spinach between layers of paper towels to remove excess moisture; set aside.
Stir together Cheddar cheese, pecans, and mayonnaise; spread half of mixture evenly into prepared pan. Stir together spinach, 1 package cream cheese, salt, and pepper; spread evenly over Cheddar cheese layer. Stir together remaining package cream cheese, chutney, and nutmeg; spread evenly over spinach layer. Top with remaining Cheddar cheese mixture. Cover and freeze up to 1 month. Thaw in refrigerator overnight. Garnish, if desired, and serve with assorted crackers.
Prep: 15 min., Thaw: 8 hrs.