Cut bell pepper in half lengthwise; discard seeds and membranes. Place pepper halves, skin sides up, on a foil-lined baking sheet; flatten with hand. Broil 15 minutes or until blackened. Place in a zip-top plastic bag; seal. Let stand 15 minutes; peel.
Combine bell pepper, almonds, and next 6 ingredients (almonds through garlic) in a food processor; process until minced. Add oil and vinegar; process until smooth.