Instructions: In heavy saucepan, heat oil over medium heat; cook onion and garlic, stirring occasionally, for 5 minutes or until softened. Add red pepper and hot pepper flakes; cook for 2 minutes.

Stir in tomatoes, parsley, salt and pepper; bring to boil. Reduce heat; simmer for 20 minutes or until thickened.

Meanwhile, cut sausages lengthwise almost all the way through. Open and place, cut side down, on greased grill over medium-high heat; cook for about 5 minutes per side or until crisp on outside and no longer pink inside.

Slice each roll in half horizontally; toast, cut side down, for 2 to 3 minutes or until just golden. Top each bottom half with lettuce and sausage; spoon tomato sauce over top. Sprinkle with Parmesan; cover with top half of roll.

Makes 4 servings.

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