shrimp baked on a tile with onions and cream

Ingredients

• 1 pound jumbo shrimp
• 2 tablespoons olive oil
• 1 large onion, thinly sliced
• 2 medium ripe tomatoes, seeded, chopped and well drained
• 4 cloves garlic, coarsely chopped
• 1/2 cup finely chopped fresh cilantro or parsley
• 1 teaspoon coarse salt, or to taste
• 1/4 teaspoon ground white pepper, or to taste
• 1/4 teaspoon crushed red chile pepper, or to taste
• 1/3 cup heavy cream