Black-Bean & Tomato Quinoa

Directions

1. 1
   Whisk together lime zest and juice, butter, oil, sugar, 1/2 teaspoon salt, and 1/4 teaspoon pepper in a large bowl.
2. 2
   Wash quinoa in 3 changes of cold water in a bowl, draining in a sieve each time.
3. 3
   Cook quinoa in a medium pot of boiling salted water (1 tablespoon salt for 2 quarts water), uncovered, until almost tender, about 10 minutes.
4. 4
   Drain in sieve, then set sieve in same pot with 1 inch of simmering water (water should not touch bottom of sieve).
5. 5
   Cover quinoa with a folded kitchen towel, then cover sieve with a lid (don't worry if lid doesn't fit tightly) and steam over medium heat until tender, fluffy, and dry, about 10 minutes.
6. 6
   Remove pot from heat and remove lid.
7. 7
   Let stand, still covered with towel, 5 minutes.
8. 8
   Add quinoa to dressing and toss until dressing is absorbed, then stir in remaining ingredients and salt and pepper to taste.