The Easy Dinner I Make On Repeat All Summer Long

Name: The Easy Dinner I Make On Repeat All Summer Long
Ingredients: 4 cups grape or cherry tomatoes ( 2 pints ); 1 medium onion , diced; 8 cloves garlic , thinly sliced; 3 tablespoons olive oil; 1 1/2 teaspoons salt; 1/2 teaspoon freshly ground black pepper; 1 pound shelf-stable potato gnocchi; 2 ears corn , kernels cut off and cob “juice” scraped and reserved; 1/4 cup chopped fresh herbs (such as parsley, dill, or basil); 3 tablespoons unsalted butter