Heat 1 tablespoon olive oil in a large skillet over medium heat.
Add sliced zucchini and yellow squash and cook for about 5 minutes or until browned.
Add minced garlic, cooking for 2 more minutes.
Add in corn and edamame, cook for about 1 minute.
Transfer ingredients to a medium bowl.
In a small bowl, add dressing ingredients of olive oil, lime juice, chili powder, salt, cumin, and cilantro. Use a whisk to stir ingredients thoroughly together.
Add halved cherry tomatoes to summer squash, corn, and edamame mixture.
Add dressing to ingredients and gently toss to combine.
Garnish with extra cilantro, if desired.
Notes
Store refrigerated in an airtight container up to 2 days. If using fresh corn, grill corn on the cob over high heat until lightly charred, then scrape cooked corn off the cob.