Wash spinach thoroughly, dry completely with salad spinner or paper towels
Hull strawberries, slice into ¼-inch thick slices
Slice red onion very thinly into half-moons
Optional: soak onion in ice water 10 minutes, drain, pat dry for milder flavor
Toast pecans in dry skillet over medium heat 3-5 minutes until fragrant
Let cool, chop roughly
Make dressing: whisk olive oil, balsamic vinegar, honey, Dijon, garlic, salt, pepper, basil in bowl
Or combine in jar and shake until emulsified
Taste and adjust—add more honey, vinegar, or salt as needed
Place dried spinach in large salad bowl
Add strawberries, onion, toasted nuts, cheese, cranberries, sunflower seeds
Right before serving, drizzle half the dressing over salad
Toss gently, add more dressing if needed
Serve immediately, pass extra dressing on side