INGREDIENTS
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2 1/4 lbs Roma tomatoes, halved lengthwise
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1 1/4 lbs Cherry tomatoes
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4 1/2 Tbsp olive oil
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Salt and freshly ground black pepper
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8 cloves garlic, peeled and left whole
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2 small yellow onions, sliced just under 1/2-inch thick
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2 cups (32g) lightly packed fresh basil leaves
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4 - 5 cups vegetable broth
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Grilled cheese croutons (optional), see notes