Just got-out of three(3) hour "Weber Grill Academy" Pizza Course given here in San Jose, Costa Rica in which I really enjoyed and learned a few things in preparing a pizza for both the Charcoal and Gas Grills. The following is a pretty good simple recipe for Tomato Pizza Sauce in which I am translating from the Spanish Language:
For 4 Portions:
1 lb Ripe Tomatoes
6 Garlic Cloves
Small Piece Sliced Onion or to your liking
3 1/2 Tablespoons Tomato Paste
10 Fresh Basil Leaves
1 Tablespoon Extra Virgin Olive Oil
1/2 Teaspoon Oregano
Your Call on Adding Salt, Black Pepper and Sugar
Preparation Steps:
1.Prepare your Grill for a medium Temperature(350 Degrees to 450p Degrees F or 117 C to 232 C. Place a Metal Canister for Veggies on the lighted Grill in order to heat-up.
2. Cut into medium pieces the Veggies and place into the heat-up veggie canister on the Grill. Add some salt and pepper and olive oil to this mixture. Grill these Veggies with the lid closed but open-it once to give-it a stir or two until somewhat soft, around 15 to 20 minutes.
3. Once the Veggies are cooked(around 15 to 20 Minutes) let them cool for around 5 minutes. Place the cool-downed Veggies into a Food Processor and process with the added tomato paste, basil and oregano until you obtain a puree texture. Transfer to a bowl and add some salt, black pepper and sugar to your liking
ENJOY